81916270

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 151538688

約数和(自身を除く): 69622418

約数列:

[1, 2, 5, 10, 53, 106, 127, 254, 265, 530, 635, 1217, 1270, 2434, 6085, 6731, 12170, 13462, 33655, 64501, 67310, 129002, 154559, 309118, 322505, 645010, 772795, 1545590, 8191627, 16383254, 40958135, 81916270]

約数ペア:

[(1, 81916270), (2, 40958135), (5, 16383254), (10, 8191627), (53, 1545590), (106, 772795), (127, 645010), (254, 322505), (265, 309118), (530, 154559), (635, 129002), (1217, 67310), (1270, 64501), (2434, 33655), (6085, 13462), (6731, 12170)]