81398210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478813}}^1$

素因数の和:478837

約数の個数: 16

約数和(自身を含む): 155135736

約数和(自身を除く): 73737526

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 478813, 957626, 2394065, 4788130, 8139821, 16279642, 40699105, 81398210]

約数ペア:

[(1, 81398210), (2, 40699105), (5, 16279642), (10, 8139821), (17, 4788130), (34, 2394065), (85, 957626), (170, 478813)]