31918406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^2$

素因数の和:444

約数の個数: 24

約数和(自身を含む): 53492544

約数和(自身を除く): 21574138

約数列:

[1, 2, 13, 26, 31, 62, 199, 398, 403, 806, 2587, 5174, 6169, 12338, 39601, 79202, 80197, 160394, 514813, 1029626, 1227631, 2455262, 15959203, 31918406]

約数ペア:

[(1, 31918406), (2, 15959203), (13, 2455262), (26, 1227631), (31, 1029626), (62, 514813), (199, 160394), (398, 80197), (403, 79202), (806, 39601), (2587, 12338), (5174, 6169)]