27156777925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{64609}}^1$

素因数の和:64702

約数の個数: 48

約数和(自身を含む): 38071313280

約数和(自身を除く): 10914535355

約数列:

[1, 5, 17, 23, 25, 43, 85, 115, 215, 391, 425, 575, 731, 989, 1075, 1955, 3655, 4945, 9775, 16813, 18275, 24725, 64609, 84065, 323045, 420325, 1098353, 1486007, 1615225, 2778187, 5491765, 7430035, 13890935, 25262119, 27458825, 37150175, 47229179, 63898301, 69454675, 126310595, 236145895, 319491505, 631552975, 1086271117, 1180729475, 1597457525, 5431355585, 27156777925]

約数ペア:

[(1, 27156777925), (5, 5431355585), (17, 1597457525), (23, 1180729475), (25, 1086271117), (43, 631552975), (85, 319491505), (115, 236145895), (215, 126310595), (391, 69454675), (425, 63898301), (575, 47229179), (731, 37150175), (989, 27458825), (1075, 25262119), (1955, 13890935), (3655, 7430035), (4945, 5491765), (9775, 2778187), (16813, 1615225), (18275, 1486007), (24725, 1098353), (64609, 420325), (84065, 323045)]