31643170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 67495680

約数和(自身を除く): 35852510

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 230, 247, 299, 437, 494, 557, 598, 874, 1114, 1235, 1495, 2185, 2470, 2785, 2990, 4370, 5570, 5681, 7241, 10583, 11362, 12811, 14482, 21166, 25622, 28405, 36205, 52915, 56810, 64055, 72410, 105830, 128110, 137579, 166543, 243409, 275158, 333086, 486818, 687895, 832715, 1217045, 1375790, 1665430, 2434090, 3164317, 6328634, 15821585, 31643170]

約数ペア:

[(1, 31643170), (2, 15821585), (5, 6328634), (10, 3164317), (13, 2434090), (19, 1665430), (23, 1375790), (26, 1217045), (38, 832715), (46, 687895), (65, 486818), (95, 333086), (115, 275158), (130, 243409), (190, 166543), (230, 137579), (247, 128110), (299, 105830), (437, 72410), (494, 64055), (557, 56810), (598, 52915), (874, 36205), (1114, 28405), (1235, 25622), (1495, 21166), (2185, 14482), (2470, 12811), (2785, 11362), (2990, 10583), (4370, 7241), (5570, 5681)]