661659838

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1321}}^1$

素因数の和:1625

約数の個数: 48

約数和(自身を含む): 1220734800

約数和(自身を除く): 559074962

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 269, 538, 931, 1321, 1862, 1883, 2642, 3766, 5111, 9247, 10222, 13181, 18494, 25099, 26362, 35777, 50198, 64729, 71554, 129458, 175693, 250439, 351386, 355349, 500878, 710698, 1229851, 2459702, 2487443, 4974886, 6751631, 13503262, 17412101, 34824202, 47261417, 94522834, 330829919, 661659838]

約数ペア:

[(1, 661659838), (2, 330829919), (7, 94522834), (14, 47261417), (19, 34824202), (38, 17412101), (49, 13503262), (98, 6751631), (133, 4974886), (266, 2487443), (269, 2459702), (538, 1229851), (931, 710698), (1321, 500878), (1862, 355349), (1883, 351386), (2642, 250439), (3766, 175693), (5111, 129458), (9247, 71554), (10222, 64729), (13181, 50198), (18494, 35777), (25099, 26362)]