81604376

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 182952000

約数和(自身を除く): 101347624

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 109, 116, 203, 218, 232, 406, 436, 461, 763, 812, 872, 922, 1526, 1624, 1844, 3052, 3161, 3227, 3688, 6104, 6322, 6454, 12644, 12908, 13369, 22127, 25288, 25816, 26738, 44254, 50249, 53476, 88508, 93583, 100498, 106952, 177016, 187166, 200996, 351743, 374332, 401992, 703486, 748664, 1406972, 1457221, 2813944, 2914442, 5828884, 10200547, 11657768, 20401094, 40802188, 81604376]

約数ペア:

[(1, 81604376), (2, 40802188), (4, 20401094), (7, 11657768), (8, 10200547), (14, 5828884), (28, 2914442), (29, 2813944), (56, 1457221), (58, 1406972), (109, 748664), (116, 703486), (203, 401992), (218, 374332), (232, 351743), (406, 200996), (436, 187166), (461, 177016), (763, 106952), (812, 100498), (872, 93583), (922, 88508), (1526, 53476), (1624, 50249), (1844, 44254), (3052, 26738), (3161, 25816), (3227, 25288), (3688, 22127), (6104, 13369), (6322, 12908), (6454, 12644)]