81418462

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{6599}}^1$

素因数の和:6831

約数の個数: 16

約数和(自身を含む): 126720000

約数和(自身を除く): 45301538

約数列:

[1, 2, 31, 62, 199, 398, 6169, 6599, 12338, 13198, 204569, 409138, 1313201, 2626402, 40709231, 81418462]

約数ペア:

[(1, 81418462), (2, 40709231), (31, 2626402), (62, 1313201), (199, 409138), (398, 204569), (6169, 13198), (6599, 12338)]