290166968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{398581}}^1$

素因数の和:398607

約数の個数: 32

約数和(自身を含む): 669617760

約数和(自身を除く): 379450792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 398581, 797162, 1594324, 2790067, 3188648, 5181553, 5580134, 10363106, 11160268, 20726212, 22320536, 36270871, 41452424, 72541742, 145083484, 290166968]

約数ペア:

[(1, 290166968), (2, 145083484), (4, 72541742), (7, 41452424), (8, 36270871), (13, 22320536), (14, 20726212), (26, 11160268), (28, 10363106), (52, 5580134), (56, 5181553), (91, 3188648), (104, 2790067), (182, 1594324), (364, 797162), (728, 398581)]