861140306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{12541}}^1$

素因数の和:12714

約数の個数: 32

約数和(自身を含む): 1474939200

約数和(自身を除く): 613798894

約数列:

[1, 2, 13, 19, 26, 38, 139, 247, 278, 494, 1807, 2641, 3614, 5282, 12541, 25082, 34333, 68666, 163033, 238279, 326066, 476558, 1743199, 3097627, 3486398, 6195254, 22661587, 33120781, 45323174, 66241562, 430570153, 861140306]

約数ペア:

[(1, 861140306), (2, 430570153), (13, 66241562), (19, 45323174), (26, 33120781), (38, 22661587), (139, 6195254), (247, 3486398), (278, 3097627), (494, 1743199), (1807, 476558), (2641, 326066), (3614, 238279), (5282, 163033), (12541, 68666), (25082, 34333)]