656876688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1321

約数の個数: 160

約数和(自身を含む): 1960041216

約数和(自身を除く): 1303164528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 37, 39, 46, 48, 52, 69, 74, 78, 92, 104, 111, 138, 148, 156, 184, 208, 222, 276, 296, 299, 312, 368, 444, 481, 552, 592, 598, 624, 851, 888, 897, 962, 1104, 1196, 1237, 1443, 1702, 1776, 1794, 1924, 2392, 2474, 2553, 2886, 3404, 3588, 3711, 3848, 4784, 4948, 5106, 5772, 6808, 7176, 7422, 7696, 9896, 10212, 11063, 11544, 13616, 14352, 14844, 16081, 19792, 20424, 22126, 23088, 28451, 29688, 32162, 33189, 40848, 44252, 45769, 48243, 56902, 59376, 64324, 66378, 85353, 88504, 91538, 96486, 113804, 128648, 132756, 137307, 170706, 177008, 183076, 192972, 227608, 257296, 265512, 274614, 341412, 366152, 369863, 385944, 455216, 531024, 549228, 594997, 682824, 732304, 739726, 771888, 1052687, 1098456, 1109589, 1189994, 1365648, 1479452, 1784991, 2105374, 2196912, 2219178, 2379988, 2958904, 3158061, 3569982, 4210748, 4438356, 4759976, 5917808, 6316122, 7139964, 8421496, 8876712, 9519952, 12632244, 13684931, 14279928, 16842992, 17753424, 25264488, 27369862, 28559856, 41054793, 50528976, 54739724, 82109586, 109479448, 164219172, 218958896, 328438344, 656876688]

約数ペア:

[(1, 656876688), (2, 328438344), (3, 218958896), (4, 164219172), (6, 109479448), (8, 82109586), (12, 54739724), (13, 50528976), (16, 41054793), (23, 28559856), (24, 27369862), (26, 25264488), (37, 17753424), (39, 16842992), (46, 14279928), (48, 13684931), (52, 12632244), (69, 9519952), (74, 8876712), (78, 8421496), (92, 7139964), (104, 6316122), (111, 5917808), (138, 4759976), (148, 4438356), (156, 4210748), (184, 3569982), (208, 3158061), (222, 2958904), (276, 2379988), (296, 2219178), (299, 2196912), (312, 2105374), (368, 1784991), (444, 1479452), (481, 1365648), (552, 1189994), (592, 1109589), (598, 1098456), (624, 1052687), (851, 771888), (888, 739726), (897, 732304), (962, 682824), (1104, 594997), (1196, 549228), (1237, 531024), (1443, 455216), (1702, 385944), (1776, 369863), (1794, 366152), (1924, 341412), (2392, 274614), (2474, 265512), (2553, 257296), (2886, 227608), (3404, 192972), (3588, 183076), (3711, 177008), (3848, 170706), (4784, 137307), (4948, 132756), (5106, 128648), (5772, 113804), (6808, 96486), (7176, 91538), (7422, 88504), (7696, 85353), (9896, 66378), (10212, 64324), (11063, 59376), (11544, 56902), (13616, 48243), (14352, 45769), (14844, 44252), (16081, 40848), (19792, 33189), (20424, 32162), (22126, 29688), (23088, 28451)]