39970385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 59657472

約数和(自身を除く): 19687087

約数列:

[1, 5, 7, 13, 35, 65, 91, 107, 455, 535, 749, 821, 1391, 3745, 4105, 5747, 6955, 9737, 10673, 28735, 48685, 53365, 74711, 87847, 373555, 439235, 614929, 1142011, 3074645, 5710055, 7994077, 39970385]

約数ペア:

[(1, 39970385), (5, 7994077), (7, 5710055), (13, 3074645), (35, 1142011), (65, 614929), (91, 439235), (107, 373555), (455, 87847), (535, 74711), (749, 53365), (821, 48685), (1391, 28735), (3745, 10673), (4105, 9737), (5747, 6955)]