28470858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 64012032

約数和(自身を除く): 35541174

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 71, 78, 97, 106, 142, 159, 194, 213, 291, 318, 426, 582, 689, 923, 1261, 1378, 1846, 2067, 2522, 2769, 3763, 3783, 4134, 5141, 5538, 6887, 7526, 7566, 10282, 11289, 13774, 15423, 20661, 22578, 30846, 41322, 48919, 66833, 89531, 97838, 133666, 146757, 179062, 200499, 268593, 293514, 365011, 400998, 537186, 730022, 1095033, 2190066, 4745143, 9490286, 14235429, 28470858]

約数ペア:

[(1, 28470858), (2, 14235429), (3, 9490286), (6, 4745143), (13, 2190066), (26, 1095033), (39, 730022), (53, 537186), (71, 400998), (78, 365011), (97, 293514), (106, 268593), (142, 200499), (159, 179062), (194, 146757), (213, 133666), (291, 97838), (318, 89531), (426, 66833), (582, 48919), (689, 41322), (923, 30846), (1261, 22578), (1378, 20661), (1846, 15423), (2067, 13774), (2522, 11289), (2769, 10282), (3763, 7566), (3783, 7526), (4134, 6887), (5141, 5538)]