81907028

素因数分解:

$2^2\times 7^3\times {\mathrm{59699}}^1$

素因数の和:59724

約数の個数: 24

約数和(自身を含む): 167160000

約数和(自身を除く): 85252972

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 59699, 119398, 238796, 417893, 835786, 1671572, 2925251, 5850502, 11701004, 20476757, 40953514, 81907028]

約数ペア:

[(1, 81907028), (2, 40953514), (4, 20476757), (7, 11701004), (14, 5850502), (28, 2925251), (49, 1671572), (98, 835786), (196, 417893), (343, 238796), (686, 119398), (1372, 59699)]