31877982

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 74188800

約数和(自身を除く): 42310818

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 137, 139, 186, 274, 278, 279, 411, 417, 558, 822, 834, 837, 1233, 1251, 1674, 2466, 2502, 3699, 3753, 4247, 4309, 7398, 7506, 8494, 8618, 12741, 12927, 19043, 25482, 25854, 38086, 38223, 38781, 57129, 76446, 77562, 114258, 114669, 116343, 171387, 229338, 232686, 342774, 514161, 590333, 1028322, 1180666, 1770999, 3541998, 5312997, 10625994, 15938991, 31877982]

約数ペア:

[(1, 31877982), (2, 15938991), (3, 10625994), (6, 5312997), (9, 3541998), (18, 1770999), (27, 1180666), (31, 1028322), (54, 590333), (62, 514161), (93, 342774), (137, 232686), (139, 229338), (186, 171387), (274, 116343), (278, 114669), (279, 114258), (411, 77562), (417, 76446), (558, 57129), (822, 38781), (834, 38223), (837, 38086), (1233, 25854), (1251, 25482), (1674, 19043), (2466, 12927), (2502, 12741), (3699, 8618), (3753, 8494), (4247, 7506), (4309, 7398)]