39967445

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 57784320

約数和(自身を除く): 17816875

約数列:

[1, 5, 7, 23, 35, 115, 131, 161, 379, 655, 805, 917, 1895, 2653, 3013, 4585, 8717, 13265, 15065, 21091, 43585, 49649, 61019, 105455, 248245, 305095, 347543, 1141927, 1737715, 5709635, 7993489, 39967445]

約数ペア:

[(1, 39967445), (5, 7993489), (7, 5709635), (23, 1737715), (35, 1141927), (115, 347543), (131, 305095), (161, 248245), (379, 105455), (655, 61019), (805, 49649), (917, 43585), (1895, 21091), (2653, 15065), (3013, 13265), (4585, 8717)]