27720203524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{73417}}^1$

素因数の和:73624

約数の個数: 48

約数和(自身を含む): 53616871728

約数和(自身を除く): 25896668204

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 137, 212, 274, 548, 689, 1378, 1781, 2756, 3562, 7124, 7261, 14522, 29044, 73417, 94393, 146834, 188786, 293668, 377572, 954421, 1908842, 3817684, 3891101, 7782202, 10058129, 15564404, 20116258, 40232516, 50584313, 101168626, 130755677, 202337252, 261511354, 523022708, 533080837, 1066161674, 2132323348, 6930050881, 13860101762, 27720203524]

約数ペア:

[(1, 27720203524), (2, 13860101762), (4, 6930050881), (13, 2132323348), (26, 1066161674), (52, 533080837), (53, 523022708), (106, 261511354), (137, 202337252), (212, 130755677), (274, 101168626), (548, 50584313), (689, 40232516), (1378, 20116258), (1781, 15564404), (2756, 10058129), (3562, 7782202), (7124, 3891101), (7261, 3817684), (14522, 1908842), (29044, 954421), (73417, 377572), (94393, 293668), (146834, 188786)]