66642472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{640793}}^1$

素因数の和:640812

約数の個数: 16

約数和(自身を含む): 134566740

約数和(自身を除く): 67924268

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 640793, 1281586, 2563172, 5126344, 8330309, 16660618, 33321236, 66642472]

約数ペア:

[(1, 66642472), (2, 33321236), (4, 16660618), (8, 8330309), (13, 5126344), (26, 2563172), (52, 1281586), (104, 640793)]