978287525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{1291}}^1\times {\mathrm{1783}}^1$

素因数の和:3101

約数の個数: 24

約数和(自身を含む): 1286149824

約数和(自身を除く): 307862299

約数列:

[1, 5, 17, 25, 85, 425, 1291, 1783, 6455, 8915, 21947, 30311, 32275, 44575, 109735, 151555, 548675, 757775, 2301853, 11509265, 39131501, 57546325, 195657505, 978287525]

約数ペア:

[(1, 978287525), (5, 195657505), (17, 57546325), (25, 39131501), (85, 11509265), (425, 2301853), (1291, 757775), (1783, 548675), (6455, 151555), (8915, 109735), (21947, 44575), (30311, 32275)]