678146885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{1823}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 900910080

約数和(自身を除く): 222763195

約数列:

[1, 5, 13, 59, 65, 97, 295, 485, 767, 1261, 1823, 3835, 5723, 6305, 9115, 23699, 28615, 74399, 107557, 118495, 176831, 371995, 537785, 884155, 1398241, 2298803, 6991205, 10433029, 11494015, 52165145, 135629377, 678146885]

約数ペア:

[(1, 678146885), (5, 135629377), (13, 52165145), (59, 11494015), (65, 10433029), (97, 6991205), (295, 2298803), (485, 1398241), (767, 884155), (1261, 537785), (1823, 371995), (3835, 176831), (5723, 118495), (6305, 107557), (9115, 74399), (23699, 28615)]