641572148

素因数分解:

$2^2\times 7^1\times {\mathrm{5659}}^1\times {\mathrm{4049}}^1$

素因数の和:9719

約数の個数: 24

約数和(自身を含む): 1283688000

約数和(自身を除く): 642115852

約数列:

[1, 2, 4, 7, 14, 28, 4049, 5659, 8098, 11318, 16196, 22636, 28343, 39613, 56686, 79226, 113372, 158452, 22913291, 45826582, 91653164, 160393037, 320786074, 641572148]

約数ペア:

[(1, 641572148), (2, 320786074), (4, 160393037), (7, 91653164), (14, 45826582), (28, 22913291), (4049, 158452), (5659, 113372), (8098, 79226), (11318, 56686), (16196, 39613), (22636, 28343)]