28004286387

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{170029}}^1$

素因数の和:170104

約数の個数: 64

約数和(自身を含む): 50143887360

約数和(自身を除く): 22139600973

約数列:

[1, 3, 7, 11, 21, 23, 31, 33, 69, 77, 93, 161, 217, 231, 253, 341, 483, 651, 713, 759, 1023, 1771, 2139, 2387, 4991, 5313, 7161, 7843, 14973, 23529, 54901, 164703, 170029, 510087, 1190203, 1870319, 3570609, 3910667, 5270899, 5610957, 11732001, 13092233, 15812697, 27374669, 36896293, 39276699, 43017337, 57979889, 82124007, 110688879, 121230677, 129052011, 173939667, 301121359, 363692031, 405859223, 848614739, 903364077, 1217577669, 1333537447, 2545844217, 4000612341, 9334762129, 28004286387]

約数ペア:

[(1, 28004286387), (3, 9334762129), (7, 4000612341), (11, 2545844217), (21, 1333537447), (23, 1217577669), (31, 903364077), (33, 848614739), (69, 405859223), (77, 363692031), (93, 301121359), (161, 173939667), (217, 129052011), (231, 121230677), (253, 110688879), (341, 82124007), (483, 57979889), (651, 43017337), (713, 39276699), (759, 36896293), (1023, 27374669), (1771, 15812697), (2139, 13092233), (2387, 11732001), (4991, 5610957), (5313, 5270899), (7161, 3910667), (7843, 3570609), (14973, 1870319), (23529, 1190203), (54901, 510087), (164703, 170029)]