28363075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 38153808

約数和(自身を除く): 9790733

約数列:

[1, 5, 13, 25, 65, 197, 325, 443, 985, 2215, 2561, 4925, 5759, 11075, 12805, 28795, 64025, 87271, 143975, 436355, 1134523, 2181775, 5672615, 28363075]

約数ペア:

[(1, 28363075), (5, 5672615), (13, 2181775), (25, 1134523), (65, 436355), (197, 143975), (325, 87271), (443, 64025), (985, 28795), (2215, 12805), (2561, 11075), (4925, 5759)]