81931976

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{967}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 188179200

約数和(自身を除く): 106247224

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 89, 119, 136, 178, 238, 356, 476, 623, 712, 952, 967, 1246, 1513, 1934, 2492, 3026, 3868, 4984, 6052, 6769, 7736, 10591, 12104, 13538, 16439, 21182, 27076, 32878, 42364, 54152, 65756, 84728, 86063, 115073, 131512, 172126, 230146, 344252, 460292, 602441, 688504, 920584, 1204882, 1463071, 2409764, 2926142, 4819528, 5852284, 10241497, 11704568, 20482994, 40965988, 81931976]

約数ペア:

[(1, 81931976), (2, 40965988), (4, 20482994), (7, 11704568), (8, 10241497), (14, 5852284), (17, 4819528), (28, 2926142), (34, 2409764), (56, 1463071), (68, 1204882), (89, 920584), (119, 688504), (136, 602441), (178, 460292), (238, 344252), (356, 230146), (476, 172126), (623, 131512), (712, 115073), (952, 86063), (967, 84728), (1246, 65756), (1513, 54152), (1934, 42364), (2492, 32878), (3026, 27076), (3868, 21182), (4984, 16439), (6052, 13538), (6769, 12104), (7736, 10591)]