28378272

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{22739}}^1$

素因数の和:22765

約数の個数: 48

約数和(自身を含む): 80226720

約数和(自身を除く): 51848448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 22739, 45478, 68217, 90956, 136434, 181912, 272868, 295607, 363824, 545736, 591214, 727648, 886821, 1091472, 1182428, 1773642, 2182944, 2364856, 3547284, 4729712, 7094568, 9459424, 14189136, 28378272]

約数ペア:

[(1, 28378272), (2, 14189136), (3, 9459424), (4, 7094568), (6, 4729712), (8, 3547284), (12, 2364856), (13, 2182944), (16, 1773642), (24, 1182428), (26, 1091472), (32, 886821), (39, 727648), (48, 591214), (52, 545736), (78, 363824), (96, 295607), (104, 272868), (156, 181912), (208, 136434), (312, 90956), (416, 68217), (624, 45478), (1248, 22739)]