821704705

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 1037836800

約数和(自身を除く): 216132095

約数列:

[1, 5, 29, 131, 145, 181, 239, 655, 905, 1195, 3799, 5249, 6931, 18995, 23711, 26245, 31309, 34655, 43259, 118555, 156545, 216295, 687619, 907961, 1254511, 3438095, 4539805, 5666929, 6272555, 28334645, 164340941, 821704705]

約数ペア:

[(1, 821704705), (5, 164340941), (29, 28334645), (131, 6272555), (145, 5666929), (181, 4539805), (239, 3438095), (655, 1254511), (905, 907961), (1195, 687619), (3799, 216295), (5249, 156545), (6931, 118555), (18995, 43259), (23711, 34655), (26245, 31309)]