81351608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14759}}^1$

素因数の和:14831

約数の個数: 32

約数和(自身を含む): 167378400

約数和(自身を除く): 86026792

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 14759, 29518, 59036, 118072, 191867, 383734, 767468, 782227, 1534936, 1564454, 3128908, 6257816, 10168951, 20337902, 40675804, 81351608]

約数ペア:

[(1, 81351608), (2, 40675804), (4, 20337902), (8, 10168951), (13, 6257816), (26, 3128908), (52, 1564454), (53, 1534936), (104, 782227), (106, 767468), (212, 383734), (424, 191867), (689, 118072), (1378, 59036), (2756, 29518), (5512, 14759)]