72412688

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{105251}}^1$

素因数の和:105302

約数の個数: 20

約数和(自身を含む): 143563728

約数和(自身を除く): 71151040

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 105251, 210502, 421004, 842008, 1684016, 4525793, 9051586, 18103172, 36206344, 72412688]

約数ペア:

[(1, 72412688), (2, 36206344), (4, 18103172), (8, 9051586), (16, 4525793), (43, 1684016), (86, 842008), (172, 421004), (344, 210502), (688, 105251)]