6991820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 16311456

約数和(自身を除く): 9319636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 521, 610, 671, 1042, 1220, 1342, 2084, 2605, 2684, 3355, 5210, 5731, 6710, 10420, 11462, 13420, 22924, 28655, 31781, 57310, 63562, 114620, 127124, 158905, 317810, 349591, 635620, 699182, 1398364, 1747955, 3495910, 6991820]

約数ペア:

[(1, 6991820), (2, 3495910), (4, 1747955), (5, 1398364), (10, 699182), (11, 635620), (20, 349591), (22, 317810), (44, 158905), (55, 127124), (61, 114620), (110, 63562), (122, 57310), (220, 31781), (244, 28655), (305, 22924), (521, 13420), (610, 11462), (671, 10420), (1042, 6710), (1220, 5731), (1342, 5210), (2084, 3355), (2605, 2684)]