4028915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 5806080

約数和(自身を除く): 1777165

約数列:

[1, 5, 11, 17, 31, 55, 85, 139, 155, 187, 341, 527, 695, 935, 1529, 1705, 2363, 2635, 4309, 5797, 7645, 11815, 21545, 25993, 28985, 47399, 73253, 129965, 236995, 366265, 805783, 4028915]

約数ペア:

[(1, 4028915), (5, 805783), (11, 366265), (17, 236995), (31, 129965), (55, 73253), (85, 47399), (139, 28985), (155, 25993), (187, 21545), (341, 11815), (527, 7645), (695, 5797), (935, 4309), (1529, 2635), (1705, 2363)]