81673396

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{14369}}^1$

素因数の和:14416

約数の個数: 36

約数和(自身を含む): 172008900

約数和(自身を除く): 90335504

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 14369, 28738, 57476, 100583, 201166, 402332, 416701, 704081, 833402, 1408162, 1666804, 2816324, 2916907, 5833814, 11667628, 20418349, 40836698, 81673396]

約数ペア:

[(1, 81673396), (2, 40836698), (4, 20418349), (7, 11667628), (14, 5833814), (28, 2916907), (29, 2816324), (49, 1666804), (58, 1408162), (98, 833402), (116, 704081), (196, 416701), (203, 402332), (406, 201166), (812, 100583), (1421, 57476), (2842, 28738), (5684, 14369)]