81248356

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{25679}}^1$

素因数の和:25803

約数の個数: 24

約数和(自身を含む): 163941120

約数和(自身を除く): 82692764

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 25679, 51358, 102716, 179753, 359506, 719012, 2901727, 5803454, 11606908, 20312089, 40624178, 81248356]

約数ペア:

[(1, 81248356), (2, 40624178), (4, 20312089), (7, 11606908), (14, 5803454), (28, 2901727), (113, 719012), (226, 359506), (452, 179753), (791, 102716), (1582, 51358), (3164, 25679)]