28213375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 37477440

約数和(自身を除く): 9264065

約数列:

[1, 5, 25, 29, 43, 125, 145, 181, 215, 725, 905, 1075, 1247, 3625, 4525, 5249, 5375, 6235, 7783, 22625, 26245, 31175, 38915, 131225, 155875, 194575, 225707, 656125, 972875, 1128535, 5642675, 28213375]

約数ペア:

[(1, 28213375), (5, 5642675), (25, 1128535), (29, 972875), (43, 656125), (125, 225707), (145, 194575), (181, 155875), (215, 131225), (725, 38915), (905, 31175), (1075, 26245), (1247, 22625), (3625, 7783), (4525, 6235), (5249, 5375)]