71865502

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 24

約数和(自身を含む): 112606200

約数和(自身を除く): 40740698

約数列:

[1, 2, 31, 62, 139, 269, 278, 538, 961, 1922, 4309, 8339, 8618, 16678, 37391, 74782, 133579, 258509, 267158, 517018, 1159121, 2318242, 35932751, 71865502]

約数ペア:

[(1, 71865502), (2, 35932751), (31, 2318242), (62, 1159121), (139, 517018), (269, 267158), (278, 258509), (538, 133579), (961, 74782), (1922, 37391), (4309, 16678), (8339, 8618)]