80949986

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{1723}}^1$

素因数の和:1890

約数の個数: 24

約数和(自身を含む): 132506640

約数和(自身を除く): 51556654

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 1723, 1807, 3446, 3614, 22399, 23491, 44798, 46982, 239497, 291187, 478994, 582374, 3113461, 6226922, 40474993, 80949986]

約数ペア:

[(1, 80949986), (2, 40474993), (13, 6226922), (26, 3113461), (139, 582374), (169, 478994), (278, 291187), (338, 239497), (1723, 46982), (1807, 44798), (3446, 23491), (3614, 22399)]