78448264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 161280000

約数和(自身を除く): 82831736

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 79, 94, 139, 152, 158, 188, 278, 316, 376, 556, 632, 893, 1112, 1501, 1786, 2641, 3002, 3572, 3713, 5282, 6004, 6533, 7144, 7426, 10564, 10981, 12008, 13066, 14852, 21128, 21962, 26132, 29704, 43924, 52264, 70547, 87848, 124127, 141094, 208639, 248254, 282188, 417278, 496508, 516107, 564376, 834556, 993016, 1032214, 1669112, 2064428, 4128856, 9806033, 19612066, 39224132, 78448264]

約数ペア:

[(1, 78448264), (2, 39224132), (4, 19612066), (8, 9806033), (19, 4128856), (38, 2064428), (47, 1669112), (76, 1032214), (79, 993016), (94, 834556), (139, 564376), (152, 516107), (158, 496508), (188, 417278), (278, 282188), (316, 248254), (376, 208639), (556, 141094), (632, 124127), (893, 87848), (1112, 70547), (1501, 52264), (1786, 43924), (2641, 29704), (3002, 26132), (3572, 21962), (3713, 21128), (5282, 14852), (6004, 13066), (6533, 12008), (7144, 10981), (7426, 10564)]