28658728

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2570

約数の個数: 48

約数和(自身を含む): 64689300

約数和(自身を除く): 36030572

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1624, 2521, 2842, 5042, 5684, 10084, 11368, 17647, 20168, 35294, 70588, 73109, 123529, 141176, 146218, 247058, 292436, 494116, 511763, 584872, 988232, 1023526, 2047052, 3582341, 4094104, 7164682, 14329364, 28658728]

約数ペア:

[(1, 28658728), (2, 14329364), (4, 7164682), (7, 4094104), (8, 3582341), (14, 2047052), (28, 1023526), (29, 988232), (49, 584872), (56, 511763), (58, 494116), (98, 292436), (116, 247058), (196, 146218), (203, 141176), (232, 123529), (392, 73109), (406, 70588), (812, 35294), (1421, 20168), (1624, 17647), (2521, 11368), (2842, 10084), (5042, 5684)]