12439910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2588

約数の個数: 32

約数和(自身を含む): 25961472

約数和(自身を除く): 13521562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 2503, 4970, 5006, 12515, 17521, 25030, 35042, 87605, 175210, 177713, 355426, 888565, 1243991, 1777130, 2487982, 6219955, 12439910]

約数ペア:

[(1, 12439910), (2, 6219955), (5, 2487982), (7, 1777130), (10, 1243991), (14, 888565), (35, 355426), (70, 177713), (71, 175210), (142, 87605), (355, 35042), (497, 25030), (710, 17521), (994, 12515), (2485, 5006), (2503, 4970)]