61364225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4391}}^1$

素因数の和:4457

約数の個数: 24

約数和(自身を含む): 83869632

約数和(自身を除く): 22505407

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 4391, 13975, 21955, 57083, 109775, 188813, 285415, 944065, 1427075, 2454569, 4720325, 12272845, 61364225]

約数ペア:

[(1, 61364225), (5, 12272845), (13, 4720325), (25, 2454569), (43, 1427075), (65, 944065), (215, 285415), (325, 188813), (559, 109775), (1075, 57083), (2795, 21955), (4391, 13975)]