1979401216

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{148693}}^1$

素因数の和:148726

約数の個数: 44

約数和(自身を含む): 4261272652

約数和(自身を除く): 2281871436

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 3328, 6656, 13312, 148693, 297386, 594772, 1189544, 1933009, 2379088, 3866018, 4758176, 7732036, 9516352, 15464072, 19032704, 30928144, 38065408, 61856288, 76130816, 123712576, 152261632, 247425152, 494850304, 989700608, 1979401216]

約数ペア:

[(1, 1979401216), (2, 989700608), (4, 494850304), (8, 247425152), (13, 152261632), (16, 123712576), (26, 76130816), (32, 61856288), (52, 38065408), (64, 30928144), (104, 19032704), (128, 15464072), (208, 9516352), (256, 7732036), (416, 4758176), (512, 3866018), (832, 2379088), (1024, 1933009), (1664, 1189544), (3328, 594772), (6656, 297386), (13312, 148693)]