31913167

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 40513536

約数和(自身を除く): 8600369

約数列:

[1, 11, 13, 23, 31, 143, 253, 299, 313, 341, 403, 713, 3289, 3443, 4069, 4433, 7199, 7843, 9269, 9703, 44759, 79189, 93587, 101959, 106733, 126139, 223169, 1029457, 1387529, 2454859, 2901197, 31913167]

約数ペア:

[(1, 31913167), (11, 2901197), (13, 2454859), (23, 1387529), (31, 1029457), (143, 223169), (253, 126139), (299, 106733), (313, 101959), (341, 93587), (403, 79189), (713, 44759), (3289, 9703), (3443, 9269), (4069, 7843), (4433, 7199)]