15903890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 29879280

約数和(自身を除く): 13975390

約数列:

[1, 2, 5, 10, 29, 58, 145, 173, 290, 317, 346, 634, 865, 1585, 1730, 3170, 5017, 9193, 10034, 18386, 25085, 45965, 50170, 54841, 91930, 109682, 274205, 548410, 1590389, 3180778, 7951945, 15903890]

約数ペア:

[(1, 15903890), (2, 7951945), (5, 3180778), (10, 1590389), (29, 548410), (58, 274205), (145, 109682), (173, 91930), (290, 54841), (317, 50170), (346, 45965), (634, 25085), (865, 18386), (1585, 10034), (1730, 9193), (3170, 5017)]