40393418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 67670400

約数和(自身を除く): 27276982

約数列:

[1, 2, 13, 26, 37, 74, 199, 211, 398, 422, 481, 962, 2587, 2743, 5174, 5486, 7363, 7807, 14726, 15614, 41989, 83978, 95719, 101491, 191438, 202982, 545857, 1091714, 1553593, 3107186, 20196709, 40393418]

約数ペア:

[(1, 40393418), (2, 20196709), (13, 3107186), (26, 1553593), (37, 1091714), (74, 545857), (199, 202982), (211, 191438), (398, 101491), (422, 95719), (481, 83978), (962, 41989), (2587, 15614), (2743, 14726), (5174, 7807), (5486, 7363)]