28651728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 85173120

約数和(自身を除く): 56521392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 269, 317, 336, 538, 634, 807, 951, 1076, 1268, 1614, 1883, 1902, 2152, 2219, 2536, 3228, 3766, 3804, 4304, 4438, 5072, 5649, 6456, 6657, 7532, 7608, 8876, 11298, 12912, 13314, 15064, 15216, 17752, 22596, 26628, 30128, 35504, 45192, 53256, 85273, 90384, 106512, 170546, 255819, 341092, 511638, 596911, 682184, 1023276, 1193822, 1364368, 1790733, 2046552, 2387644, 3581466, 4093104, 4775288, 7162932, 9550576, 14325864, 28651728]

約数ペア:

[(1, 28651728), (2, 14325864), (3, 9550576), (4, 7162932), (6, 4775288), (7, 4093104), (8, 3581466), (12, 2387644), (14, 2046552), (16, 1790733), (21, 1364368), (24, 1193822), (28, 1023276), (42, 682184), (48, 596911), (56, 511638), (84, 341092), (112, 255819), (168, 170546), (269, 106512), (317, 90384), (336, 85273), (538, 53256), (634, 45192), (807, 35504), (951, 30128), (1076, 26628), (1268, 22596), (1614, 17752), (1883, 15216), (1902, 15064), (2152, 13314), (2219, 12912), (2536, 11298), (3228, 8876), (3766, 7608), (3804, 7532), (4304, 6657), (4438, 6456), (5072, 5649)]