218955308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 506761920

約数和(自身を除く): 287806612

約数列:

[1, 2, 4, 11, 13, 17, 22, 23, 26, 34, 44, 46, 52, 68, 89, 92, 121, 143, 178, 187, 221, 242, 253, 286, 299, 356, 374, 391, 442, 484, 506, 572, 598, 748, 782, 884, 979, 1012, 1157, 1196, 1513, 1564, 1573, 1958, 2047, 2057, 2314, 2431, 2783, 3026, 3146, 3289, 3916, 4094, 4114, 4301, 4628, 4862, 5083, 5566, 6052, 6292, 6578, 8188, 8228, 8602, 9724, 10166, 10769, 11132, 12727, 13156, 16643, 17204, 19669, 20332, 21538, 22517, 25454, 26611, 26741, 33286, 34799, 36179, 39338, 43076, 45034, 47311, 50908, 53222, 53482, 55913, 66572, 69598, 72358, 78676, 90068, 94622, 106444, 106964, 111826, 139196, 139997, 144716, 183073, 189244, 216359, 223652, 247687, 279994, 292721, 366146, 382789, 432718, 452387, 495374, 559988, 585442, 615043, 732292, 765578, 865436, 904774, 990748, 1170884, 1230086, 1531156, 1809548, 2379949, 2460172, 3219931, 4210679, 4759898, 4976257, 6439862, 8421358, 9519796, 9952514, 12879724, 16842716, 19905028, 54738827, 109477654, 218955308]

約数ペア:

[(1, 218955308), (2, 109477654), (4, 54738827), (11, 19905028), (13, 16842716), (17, 12879724), (22, 9952514), (23, 9519796), (26, 8421358), (34, 6439862), (44, 4976257), (46, 4759898), (52, 4210679), (68, 3219931), (89, 2460172), (92, 2379949), (121, 1809548), (143, 1531156), (178, 1230086), (187, 1170884), (221, 990748), (242, 904774), (253, 865436), (286, 765578), (299, 732292), (356, 615043), (374, 585442), (391, 559988), (442, 495374), (484, 452387), (506, 432718), (572, 382789), (598, 366146), (748, 292721), (782, 279994), (884, 247687), (979, 223652), (1012, 216359), (1157, 189244), (1196, 183073), (1513, 144716), (1564, 139997), (1573, 139196), (1958, 111826), (2047, 106964), (2057, 106444), (2314, 94622), (2431, 90068), (2783, 78676), (3026, 72358), (3146, 69598), (3289, 66572), (3916, 55913), (4094, 53482), (4114, 53222), (4301, 50908), (4628, 47311), (4862, 45034), (5083, 43076), (5566, 39338), (6052, 36179), (6292, 34799), (6578, 33286), (8188, 26741), (8228, 26611), (8602, 25454), (9724, 22517), (10166, 21538), (10769, 20332), (11132, 19669), (12727, 17204), (13156, 16643)]