81227172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12109}}^1$

素因数の和:12172

約数の個数: 48

約数和(自身を含む): 208873280

約数和(自身を除く): 127646108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3354, 6708, 12109, 24218, 36327, 48436, 72654, 145308, 157417, 314834, 472251, 520687, 629668, 944502, 1041374, 1562061, 1889004, 2082748, 3124122, 6248244, 6768931, 13537862, 20306793, 27075724, 40613586, 81227172]

約数ペア:

[(1, 81227172), (2, 40613586), (3, 27075724), (4, 20306793), (6, 13537862), (12, 6768931), (13, 6248244), (26, 3124122), (39, 2082748), (43, 1889004), (52, 1562061), (78, 1041374), (86, 944502), (129, 629668), (156, 520687), (172, 472251), (258, 314834), (516, 157417), (559, 145308), (1118, 72654), (1677, 48436), (2236, 36327), (3354, 24218), (6708, 12109)]