16978910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 33197472

約数和(自身を除く): 16218562

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 997, 1310, 1703, 1994, 3406, 4985, 8515, 9970, 12961, 17030, 25922, 64805, 129610, 130607, 261214, 653035, 1306070, 1697891, 3395782, 8489455, 16978910]

約数ペア:

[(1, 16978910), (2, 8489455), (5, 3395782), (10, 1697891), (13, 1306070), (26, 653035), (65, 261214), (130, 130607), (131, 129610), (262, 64805), (655, 25922), (997, 17030), (1310, 12961), (1703, 9970), (1994, 8515), (3406, 4985)]