64511251

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21089}}^1$

素因数の和:21138

約数の個数: 16

約数和(自身を含む): 80985600

約数和(自身を除く): 16474349

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 21089, 147623, 400691, 485047, 2804837, 3395329, 9215893, 64511251]

約数ペア:

[(1, 64511251), (7, 9215893), (19, 3395329), (23, 2804837), (133, 485047), (161, 400691), (437, 147623), (3059, 21089)]