31379972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20809}}^1$

素因数の和:20855

約数の個数: 24

約数和(自身を含む): 61181400

約数和(自身を除く): 29801428

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 20809, 41618, 83236, 270517, 541034, 603461, 1082068, 1206922, 2413844, 7844993, 15689986, 31379972]

約数ペア:

[(1, 31379972), (2, 15689986), (4, 7844993), (13, 2413844), (26, 1206922), (29, 1082068), (52, 603461), (58, 541034), (116, 270517), (377, 83236), (754, 41618), (1508, 20809)]