15643615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 21510720

約数和(自身を除く): 5867105

約数列:

[1, 5, 13, 29, 43, 65, 145, 193, 215, 377, 559, 965, 1247, 1885, 2509, 2795, 5597, 6235, 8299, 12545, 16211, 27985, 41495, 72761, 81055, 107887, 240671, 363805, 539435, 1203355, 3128723, 15643615]

約数ペア:

[(1, 15643615), (5, 3128723), (13, 1203355), (29, 539435), (43, 363805), (65, 240671), (145, 107887), (193, 81055), (215, 72761), (377, 41495), (559, 27985), (965, 16211), (1247, 12545), (1885, 8299), (2509, 6235), (2795, 5597)]