399704838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{13963}}^1$

素因数の和:14348

約数の個数: 32

約数和(自身を含む): 863310336

約数和(自身を除く): 463605498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 367, 734, 1101, 2202, 4771, 9542, 13963, 14313, 27926, 28626, 41889, 83778, 181519, 363038, 544557, 1089114, 5124421, 10248842, 15373263, 30746526, 66617473, 133234946, 199852419, 399704838]

約数ペア:

[(1, 399704838), (2, 199852419), (3, 133234946), (6, 66617473), (13, 30746526), (26, 15373263), (39, 10248842), (78, 5124421), (367, 1089114), (734, 544557), (1101, 363038), (2202, 181519), (4771, 83778), (9542, 41889), (13963, 28626), (14313, 27926)]