7816390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 14541120

約数和(自身を除く): 6724730

約数列:

[1, 2, 5, 10, 71, 101, 109, 142, 202, 218, 355, 505, 545, 710, 1010, 1090, 7171, 7739, 11009, 14342, 15478, 22018, 35855, 38695, 55045, 71710, 77390, 110090, 781639, 1563278, 3908195, 7816390]

約数ペア:

[(1, 7816390), (2, 3908195), (5, 1563278), (10, 781639), (71, 110090), (101, 77390), (109, 71710), (142, 55045), (202, 38695), (218, 35855), (355, 22018), (505, 15478), (545, 14342), (710, 11009), (1010, 7739), (1090, 7171)]