81356444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{2311}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 153618528

約数和(自身を除く): 72262084

約数列:

[1, 2, 4, 13, 26, 52, 677, 1354, 2311, 2708, 4622, 8801, 9244, 17602, 30043, 35204, 60086, 120172, 1564547, 3129094, 6258188, 20339111, 40678222, 81356444]

約数ペア:

[(1, 81356444), (2, 40678222), (4, 20339111), (13, 6258188), (26, 3129094), (52, 1564547), (677, 120172), (1354, 60086), (2311, 35204), (2708, 30043), (4622, 17602), (8801, 9244)]