630984902

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 991116000

約数和(自身を除く): 360131098

約数列:

[1, 2, 37, 74, 89, 149, 178, 298, 643, 1286, 3293, 5513, 6586, 11026, 13261, 23791, 26522, 47582, 57227, 95807, 114454, 191614, 490657, 981314, 2117399, 3544859, 4234798, 7089718, 8526823, 17053646, 315492451, 630984902]

約数ペア:

[(1, 630984902), (2, 315492451), (37, 17053646), (74, 8526823), (89, 7089718), (149, 4234798), (178, 3544859), (298, 2117399), (643, 981314), (1286, 490657), (3293, 191614), (5513, 114454), (6586, 95807), (11026, 57227), (13261, 47582), (23791, 26522)]