81305684

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{1091}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 147254016

約数和(自身を除く): 65948332

約数列:

[1, 2, 4, 31, 62, 124, 601, 1091, 1202, 2182, 2404, 4364, 18631, 33821, 37262, 67642, 74524, 135284, 655691, 1311382, 2622764, 20326421, 40652842, 81305684]

約数ペア:

[(1, 81305684), (2, 40652842), (4, 20326421), (31, 2622764), (62, 1311382), (124, 655691), (601, 135284), (1091, 74524), (1202, 67642), (2182, 37262), (2404, 33821), (4364, 18631)]