156645215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 204906240

約数和(自身を除く): 48261025

約数列:

[1, 5, 19, 41, 95, 131, 205, 307, 655, 779, 1535, 2489, 3895, 5371, 5833, 12445, 12587, 26855, 29165, 40217, 62935, 102049, 201085, 239153, 510245, 764123, 1195765, 1648897, 3820615, 8244485, 31329043, 156645215]

約数ペア:

[(1, 156645215), (5, 31329043), (19, 8244485), (41, 3820615), (95, 1648897), (131, 1195765), (205, 764123), (307, 510245), (655, 239153), (779, 201085), (1535, 102049), (2489, 62935), (3895, 40217), (5371, 29165), (5833, 26855), (12445, 12587)]