28618205

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 17346595

約数列:

[1, 5, 7, 11, 35, 37, 41, 49, 55, 77, 185, 205, 245, 259, 287, 343, 385, 407, 451, 539, 1295, 1435, 1517, 1715, 1813, 2009, 2035, 2255, 2695, 2849, 3157, 3773, 7585, 9065, 10045, 10619, 12691, 14063, 14245, 15785, 16687, 18865, 19943, 22099, 53095, 63455, 70315, 74333, 83435, 99715, 110495, 116809, 139601, 154693, 371665, 520331, 584045, 698005, 773465, 817663, 2601655, 4088315, 5723641, 28618205]

約数ペア:

[(1, 28618205), (5, 5723641), (7, 4088315), (11, 2601655), (35, 817663), (37, 773465), (41, 698005), (49, 584045), (55, 520331), (77, 371665), (185, 154693), (205, 139601), (245, 116809), (259, 110495), (287, 99715), (343, 83435), (385, 74333), (407, 70315), (451, 63455), (539, 53095), (1295, 22099), (1435, 19943), (1517, 18865), (1715, 16687), (1813, 15785), (2009, 14245), (2035, 14063), (2255, 12691), (2695, 10619), (2849, 10045), (3157, 9065), (3773, 7585)]