646409690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{5861}}^1$

素因数の和:6178

約数の個数: 32

約数和(自身を含む): 1196551440

約数和(自身を除く): 550141750

約数列:

[1, 2, 5, 10, 41, 82, 205, 269, 410, 538, 1345, 2690, 5861, 11029, 11722, 22058, 29305, 55145, 58610, 110290, 240301, 480602, 1201505, 1576609, 2403010, 3153218, 7883045, 15766090, 64640969, 129281938, 323204845, 646409690]

約数ペア:

[(1, 646409690), (2, 323204845), (5, 129281938), (10, 64640969), (41, 15766090), (82, 7883045), (205, 3153218), (269, 2403010), (410, 1576609), (538, 1201505), (1345, 480602), (2690, 240301), (5861, 110290), (11029, 58610), (11722, 55145), (22058, 29305)]