28160288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 60258240

約数和(自身を除く): 32097952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 139, 208, 278, 416, 487, 556, 974, 1112, 1807, 1948, 2224, 3614, 3896, 4448, 6331, 7228, 7792, 12662, 14456, 15584, 25324, 28912, 50648, 57824, 67693, 101296, 135386, 202592, 270772, 541544, 880009, 1083088, 1760018, 2166176, 3520036, 7040072, 14080144, 28160288]

約数ペア:

[(1, 28160288), (2, 14080144), (4, 7040072), (8, 3520036), (13, 2166176), (16, 1760018), (26, 1083088), (32, 880009), (52, 541544), (104, 270772), (139, 202592), (208, 135386), (278, 101296), (416, 67693), (487, 57824), (556, 50648), (974, 28912), (1112, 25324), (1807, 15584), (1948, 14456), (2224, 12662), (3614, 7792), (3896, 7228), (4448, 6331)]