31405972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9901}}^1$

素因数の和:9979

約数の個数: 24

約数和(自身を含む): 60164552

約数和(自身を除く): 28758580

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 9901, 19802, 39604, 128713, 257426, 514852, 603961, 1207922, 2415844, 7851493, 15702986, 31405972]

約数ペア:

[(1, 31405972), (2, 15702986), (4, 7851493), (13, 2415844), (26, 1207922), (52, 603961), (61, 514852), (122, 257426), (244, 128713), (793, 39604), (1586, 19802), (3172, 9901)]