139653410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20269}}^1$

素因数の和:20342

約数の個数: 32

約数和(自身を含む): 275834160

約数和(自身を除く): 136180750

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 20269, 40538, 101345, 202690, 263497, 526994, 1074257, 1317485, 2148514, 2634970, 5371285, 10742570, 13965341, 27930682, 69826705, 139653410]

約数ペア:

[(1, 139653410), (2, 69826705), (5, 27930682), (10, 13965341), (13, 10742570), (26, 5371285), (53, 2634970), (65, 2148514), (106, 1317485), (130, 1074257), (265, 526994), (530, 263497), (689, 202690), (1378, 101345), (3445, 40538), (6890, 20269)]