656073008

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{853}}^1\times {\mathrm{907}}^1$

素因数の和:1821

約数の個数: 40

約数和(自身を含む): 1298073168

約数和(自身を除く): 642000160

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 853, 907, 1706, 1814, 3412, 3628, 6824, 7256, 13648, 14512, 45209, 48071, 90418, 96142, 180836, 192284, 361672, 384568, 723344, 769136, 773671, 1547342, 3094684, 6189368, 12378736, 41004563, 82009126, 164018252, 328036504, 656073008]

約数ペア:

[(1, 656073008), (2, 328036504), (4, 164018252), (8, 82009126), (16, 41004563), (53, 12378736), (106, 6189368), (212, 3094684), (424, 1547342), (848, 773671), (853, 769136), (907, 723344), (1706, 384568), (1814, 361672), (3412, 192284), (3628, 180836), (6824, 96142), (7256, 90418), (13648, 48071), (14512, 45209)]