643856114

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{829}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 1080699840

約数和(自身を除く): 436843726

約数列:

[1, 2, 11, 22, 43, 86, 473, 821, 829, 946, 1642, 1658, 9031, 9119, 18062, 18238, 35303, 35647, 70606, 71294, 388333, 392117, 680609, 776666, 784234, 1361218, 7486699, 14973398, 29266187, 58532374, 321928057, 643856114]

約数ペア:

[(1, 643856114), (2, 321928057), (11, 58532374), (22, 29266187), (43, 14973398), (86, 7486699), (473, 1361218), (821, 784234), (829, 776666), (946, 680609), (1642, 392117), (1658, 388333), (9031, 71294), (9119, 70606), (18062, 35647), (18238, 35303)]