72641972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{22901}}^1$

素因数の和:22979

約数の個数: 24

約数和(自身を含む): 139152552

約数和(自身を除く): 66510580

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 22901, 45802, 91604, 297713, 595426, 1190852, 1396961, 2793922, 5587844, 18160493, 36320986, 72641972]

約数ペア:

[(1, 72641972), (2, 36320986), (4, 18160493), (13, 5587844), (26, 2793922), (52, 1396961), (61, 1190852), (122, 595426), (244, 297713), (793, 91604), (1586, 45802), (3172, 22901)]