4026490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 7983360

約数和(自身を除く): 3956870

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 659, 1222, 1318, 3055, 3295, 6110, 6590, 8567, 17134, 30973, 42835, 61946, 85670, 154865, 309730, 402649, 805298, 2013245, 4026490]

約数ペア:

[(1, 4026490), (2, 2013245), (5, 805298), (10, 402649), (13, 309730), (26, 154865), (47, 85670), (65, 61946), (94, 42835), (130, 30973), (235, 17134), (470, 8567), (611, 6590), (659, 6110), (1222, 3295), (1318, 3055)]