3988790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 7874496

約数和(自身を除く): 3885706

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 503, 610, 793, 1006, 1586, 2515, 3965, 5030, 6539, 7930, 13078, 30683, 32695, 61366, 65390, 153415, 306830, 398879, 797758, 1994395, 3988790]

約数ペア:

[(1, 3988790), (2, 1994395), (5, 797758), (10, 398879), (13, 306830), (26, 153415), (61, 65390), (65, 61366), (122, 32695), (130, 30683), (305, 13078), (503, 7930), (610, 6539), (793, 5030), (1006, 3965), (1586, 2515)]