81018992

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{9091}}^1$

素因数の和:9656

約数の個数: 20

約数和(自身を含む): 157273416

約数和(自身を除く): 76254424

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 9091, 18182, 36364, 72728, 145456, 5063687, 10127374, 20254748, 40509496, 81018992]

約数ペア:

[(1, 81018992), (2, 40509496), (4, 20254748), (8, 10127374), (16, 5063687), (557, 145456), (1114, 72728), (2228, 36364), (4456, 18182), (8912, 9091)]