28361216

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4292

約数の個数: 40

約数和(自身を含む): 61040364

約数和(自身を除く): 32679148

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 4261, 6656, 8522, 17044, 34088, 55393, 68176, 110786, 136352, 221572, 272704, 443144, 545408, 886288, 1090816, 1772576, 2181632, 3545152, 7090304, 14180608, 28361216]

約数ペア:

[(1, 28361216), (2, 14180608), (4, 7090304), (8, 3545152), (13, 2181632), (16, 1772576), (26, 1090816), (32, 886288), (52, 545408), (64, 443144), (104, 272704), (128, 221572), (208, 136352), (256, 110786), (416, 68176), (512, 55393), (832, 34088), (1664, 17044), (3328, 8522), (4261, 6656)]