81484728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261169}}^1$

素因数の和:261191

約数の個数: 32

約数和(自身を含む): 219382800

約数和(自身を除く): 137898072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261169, 522338, 783507, 1044676, 1567014, 2089352, 3134028, 3395197, 6268056, 6790394, 10185591, 13580788, 20371182, 27161576, 40742364, 81484728]

約数ペア:

[(1, 81484728), (2, 40742364), (3, 27161576), (4, 20371182), (6, 13580788), (8, 10185591), (12, 6790394), (13, 6268056), (24, 3395197), (26, 3134028), (39, 2089352), (52, 1567014), (78, 1044676), (104, 783507), (156, 522338), (312, 261169)]