15900212

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 28576800

約数和(自身を除く): 12676588

約数列:

[1, 2, 4, 53, 106, 179, 212, 358, 419, 716, 838, 1676, 9487, 18974, 22207, 37948, 44414, 75001, 88828, 150002, 300004, 3975053, 7950106, 15900212]

約数ペア:

[(1, 15900212), (2, 7950106), (4, 3975053), (53, 300004), (106, 150002), (179, 88828), (212, 75001), (358, 44414), (419, 37948), (716, 22207), (838, 18974), (1676, 9487)]