1645497745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1\times {\mathrm{521}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 2127630240

約数和(自身を除く): 482132495

約数列:

[1, 5, 17, 73, 85, 365, 509, 521, 1241, 2545, 2605, 6205, 8653, 8857, 37157, 38033, 43265, 44285, 185785, 190165, 265189, 631669, 646561, 1325945, 3158345, 3232805, 4508213, 19358797, 22541065, 96793985, 329099549, 1645497745]

約数ペア:

[(1, 1645497745), (5, 329099549), (17, 96793985), (73, 22541065), (85, 19358797), (365, 4508213), (509, 3232805), (521, 3158345), (1241, 1325945), (2545, 646561), (2605, 631669), (6205, 265189), (8653, 190165), (8857, 185785), (37157, 44285), (38033, 43265)]