64986845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 39522595

約数列:

[1, 5, 7, 11, 23, 35, 41, 55, 77, 115, 161, 179, 205, 253, 287, 385, 451, 805, 895, 943, 1253, 1265, 1435, 1771, 1969, 2255, 3157, 4117, 4715, 6265, 6601, 7339, 8855, 9845, 10373, 13783, 15785, 20585, 28819, 33005, 36695, 45287, 51373, 51865, 68915, 72611, 80729, 144095, 168797, 226435, 256865, 317009, 363055, 403645, 565103, 843985, 1181579, 1585045, 1856767, 2825515, 5907895, 9283835, 12997369, 64986845]

約数ペア:

[(1, 64986845), (5, 12997369), (7, 9283835), (11, 5907895), (23, 2825515), (35, 1856767), (41, 1585045), (55, 1181579), (77, 843985), (115, 565103), (161, 403645), (179, 363055), (205, 317009), (253, 256865), (287, 226435), (385, 168797), (451, 144095), (805, 80729), (895, 72611), (943, 68915), (1253, 51865), (1265, 51373), (1435, 45287), (1771, 36695), (1969, 33005), (2255, 28819), (3157, 20585), (4117, 15785), (4715, 13783), (6265, 10373), (6601, 9845), (7339, 8855)]