28011390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2927}}^1$

素因数の和:2977

約数の個数: 64

約数和(自身を含む): 75893760

約数和(自身を除く): 47882370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 2927, 3190, 4785, 5854, 8781, 9570, 14635, 17562, 29270, 32197, 43905, 64394, 84883, 87810, 96591, 160985, 169766, 193182, 254649, 321970, 424415, 482955, 509298, 848830, 933713, 965910, 1273245, 1867426, 2546490, 2801139, 4668565, 5602278, 9337130, 14005695, 28011390]

約数ペア:

[(1, 28011390), (2, 14005695), (3, 9337130), (5, 5602278), (6, 4668565), (10, 2801139), (11, 2546490), (15, 1867426), (22, 1273245), (29, 965910), (30, 933713), (33, 848830), (55, 509298), (58, 482955), (66, 424415), (87, 321970), (110, 254649), (145, 193182), (165, 169766), (174, 160985), (290, 96591), (319, 87810), (330, 84883), (435, 64394), (638, 43905), (870, 32197), (957, 29270), (1595, 17562), (1914, 14635), (2927, 9570), (3190, 8781), (4785, 5854)]