28304528

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 67614720

約数和(自身を除く): 39310192

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 56, 76, 94, 112, 133, 152, 188, 266, 283, 304, 329, 376, 532, 566, 658, 752, 893, 1064, 1132, 1316, 1786, 1981, 2128, 2264, 2632, 3572, 3962, 4528, 5264, 5377, 6251, 7144, 7924, 10754, 12502, 13301, 14288, 15848, 21508, 25004, 26602, 31696, 37639, 43016, 50008, 53204, 75278, 86032, 93107, 100016, 106408, 150556, 186214, 212816, 252719, 301112, 372428, 505438, 602224, 744856, 1010876, 1489712, 1769033, 2021752, 3538066, 4043504, 7076132, 14152264, 28304528]

約数ペア:

[(1, 28304528), (2, 14152264), (4, 7076132), (7, 4043504), (8, 3538066), (14, 2021752), (16, 1769033), (19, 1489712), (28, 1010876), (38, 744856), (47, 602224), (56, 505438), (76, 372428), (94, 301112), (112, 252719), (133, 212816), (152, 186214), (188, 150556), (266, 106408), (283, 100016), (304, 93107), (329, 86032), (376, 75278), (532, 53204), (566, 50008), (658, 43016), (752, 37639), (893, 31696), (1064, 26602), (1132, 25004), (1316, 21508), (1786, 15848), (1981, 14288), (2128, 13301), (2264, 12502), (2632, 10754), (3572, 7924), (3962, 7144), (4528, 6251), (5264, 5377)]