31373316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1625

約数の個数: 72

約数和(自身を含む): 87447360

約数和(自身を除く): 56074044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1559, 1677, 2236, 3118, 3354, 4677, 5031, 6236, 6708, 9354, 10062, 14031, 18708, 20124, 20267, 28062, 40534, 56124, 60801, 67037, 81068, 121602, 134074, 182403, 201111, 243204, 268148, 364806, 402222, 603333, 729612, 804444, 871481, 1206666, 1742962, 2413332, 2614443, 3485924, 5228886, 7843329, 10457772, 15686658, 31373316]

約数ペア:

[(1, 31373316), (2, 15686658), (3, 10457772), (4, 7843329), (6, 5228886), (9, 3485924), (12, 2614443), (13, 2413332), (18, 1742962), (26, 1206666), (36, 871481), (39, 804444), (43, 729612), (52, 603333), (78, 402222), (86, 364806), (117, 268148), (129, 243204), (156, 201111), (172, 182403), (234, 134074), (258, 121602), (387, 81068), (468, 67037), (516, 60801), (559, 56124), (774, 40534), (1118, 28062), (1548, 20267), (1559, 20124), (1677, 18708), (2236, 14031), (3118, 10062), (3354, 9354), (4677, 6708), (5031, 6236)]