28129570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1601}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 58133376

約数和(自身を除く): 30003806

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1601, 1757, 2510, 3202, 3514, 8005, 8785, 11207, 16010, 17570, 22414, 56035, 112070, 401851, 803702, 2009255, 2812957, 4018510, 5625914, 14064785, 28129570]

約数ペア:

[(1, 28129570), (2, 14064785), (5, 5625914), (7, 4018510), (10, 2812957), (14, 2009255), (35, 803702), (70, 401851), (251, 112070), (502, 56035), (1255, 22414), (1601, 17570), (1757, 16010), (2510, 11207), (3202, 8785), (3514, 8005)]