28302690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2341}}^1$

素因数の和:2395

約数の個数: 64

約数和(自身を含む): 75543552

約数和(自身を除く): 47240862

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2341, 2418, 4030, 4682, 6045, 7023, 11705, 12090, 14046, 23410, 30433, 35115, 60866, 70230, 72571, 91299, 145142, 152165, 182598, 217713, 304330, 362855, 435426, 456495, 725710, 912990, 943423, 1088565, 1886846, 2177130, 2830269, 4717115, 5660538, 9434230, 14151345, 28302690]

約数ペア:

[(1, 28302690), (2, 14151345), (3, 9434230), (5, 5660538), (6, 4717115), (10, 2830269), (13, 2177130), (15, 1886846), (26, 1088565), (30, 943423), (31, 912990), (39, 725710), (62, 456495), (65, 435426), (78, 362855), (93, 304330), (130, 217713), (155, 182598), (186, 152165), (195, 145142), (310, 91299), (390, 72571), (403, 70230), (465, 60866), (806, 35115), (930, 30433), (1209, 23410), (2015, 14046), (2341, 12090), (2418, 11705), (4030, 7023), (4682, 6045)]