66491408

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{31723}}^1$

素因数の和:31862

約数の個数: 20

約数和(自身を含む): 129814608

約数和(自身を除く): 63323200

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 31723, 63446, 126892, 253784, 507568, 4155713, 8311426, 16622852, 33245704, 66491408]

約数ペア:

[(1, 66491408), (2, 33245704), (4, 16622852), (8, 8311426), (16, 4155713), (131, 507568), (262, 253784), (524, 126892), (1048, 63446), (2096, 31723)]