639604878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1\times {\mathrm{7577}}^1$

素因数の和:8872

約数の個数: 32

約数和(自身を含む): 1396776960

約数和(自身を除く): 757172082

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 1279, 2558, 3837, 7577, 7674, 14069, 15154, 22731, 28138, 42207, 45462, 83347, 84414, 166694, 250041, 500082, 9690983, 19381966, 29072949, 58145898, 106600813, 213201626, 319802439, 639604878]

約数ペア:

[(1, 639604878), (2, 319802439), (3, 213201626), (6, 106600813), (11, 58145898), (22, 29072949), (33, 19381966), (66, 9690983), (1279, 500082), (2558, 250041), (3837, 166694), (7577, 84414), (7674, 83347), (14069, 45462), (15154, 42207), (22731, 28138)]