81815014

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1\times {\mathrm{2203}}^1$

素因数の和:2835

約数の個数: 16

約数和(自身を含む): 126950400

約数和(自身を除く): 45135386

約数列:

[1, 2, 31, 62, 599, 1198, 2203, 4406, 18569, 37138, 68293, 136586, 1319597, 2639194, 40907507, 81815014]

約数ペア:

[(1, 81815014), (2, 40907507), (31, 2639194), (62, 1319597), (599, 136586), (1198, 68293), (2203, 37138), (4406, 18569)]