28400658

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 39336942

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 79, 143, 158, 237, 286, 419, 429, 474, 838, 858, 869, 1027, 1257, 1738, 2054, 2514, 2607, 3081, 4609, 5214, 5447, 6162, 9218, 10894, 11297, 13827, 16341, 22594, 27654, 32682, 33101, 33891, 59917, 66202, 67782, 99303, 119834, 179751, 198606, 359502, 364111, 430313, 728222, 860626, 1092333, 1290939, 2184666, 2581878, 4733443, 9466886, 14200329, 28400658]

約数ペア:

[(1, 28400658), (2, 14200329), (3, 9466886), (6, 4733443), (11, 2581878), (13, 2184666), (22, 1290939), (26, 1092333), (33, 860626), (39, 728222), (66, 430313), (78, 364111), (79, 359502), (143, 198606), (158, 179751), (237, 119834), (286, 99303), (419, 67782), (429, 66202), (474, 59917), (838, 33891), (858, 33101), (869, 32682), (1027, 27654), (1257, 22594), (1738, 16341), (2054, 13827), (2514, 11297), (2607, 10894), (3081, 9218), (4609, 6162), (5214, 5447)]