128007572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{415609}}^1$

素因数の和:415631

約数の個数: 24

約数和(自身を含む): 279289920

約数和(自身を除く): 151282348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 415609, 831218, 1662436, 2909263, 4571699, 5818526, 9143398, 11637052, 18286796, 32001893, 64003786, 128007572]

約数ペア:

[(1, 128007572), (2, 64003786), (4, 32001893), (7, 18286796), (11, 11637052), (14, 9143398), (22, 5818526), (28, 4571699), (44, 2909263), (77, 1662436), (154, 831218), (308, 415609)]