81870152

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112459}}^1$

素因数の和:112485

約数の個数: 32

約数和(自身を含む): 188932800

約数和(自身を除く): 107062648

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 112459, 224918, 449836, 787213, 899672, 1461967, 1574426, 2923934, 3148852, 5847868, 6297704, 10233769, 11695736, 20467538, 40935076, 81870152]

約数ペア:

[(1, 81870152), (2, 40935076), (4, 20467538), (7, 11695736), (8, 10233769), (13, 6297704), (14, 5847868), (26, 3148852), (28, 2923934), (52, 1574426), (56, 1461967), (91, 899672), (104, 787213), (182, 449836), (364, 224918), (728, 112459)]