688009972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{216901}}^1$

素因数の和:216979

約数の個数: 24

約数和(自身を含む): 1317896552

約数和(自身を除く): 629886580

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 216901, 433802, 867604, 2819713, 5639426, 11278852, 13230961, 26461922, 52923844, 172002493, 344004986, 688009972]

約数ペア:

[(1, 688009972), (2, 344004986), (4, 172002493), (13, 52923844), (26, 26461922), (52, 13230961), (61, 11278852), (122, 5639426), (244, 2819713), (793, 867604), (1586, 433802), (3172, 216901)]