28585310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 30927010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 71, 95, 130, 142, 163, 190, 247, 326, 355, 494, 710, 815, 923, 1235, 1349, 1630, 1846, 2119, 2470, 2698, 3097, 4238, 4615, 6194, 6745, 9230, 10595, 11573, 13490, 15485, 17537, 21190, 23146, 30970, 35074, 40261, 57865, 80522, 87685, 115730, 150449, 175370, 201305, 219887, 300898, 402610, 439774, 752245, 1099435, 1504490, 2198870, 2858531, 5717062, 14292655, 28585310]

約数ペア:

[(1, 28585310), (2, 14292655), (5, 5717062), (10, 2858531), (13, 2198870), (19, 1504490), (26, 1099435), (38, 752245), (65, 439774), (71, 402610), (95, 300898), (130, 219887), (142, 201305), (163, 175370), (190, 150449), (247, 115730), (326, 87685), (355, 80522), (494, 57865), (710, 40261), (815, 35074), (923, 30970), (1235, 23146), (1349, 21190), (1630, 17537), (1846, 15485), (2119, 13490), (2470, 11573), (2698, 10595), (3097, 9230), (4238, 6745), (4615, 6194)]