642304

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 1387876

約数和(自身を除く): 745572

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 193, 208, 256, 386, 416, 772, 832, 1544, 1664, 2509, 3088, 3328, 5018, 6176, 10036, 12352, 20072, 24704, 40144, 49408, 80288, 160576, 321152, 642304]

約数ペア:

[(1, 642304), (2, 321152), (4, 160576), (8, 80288), (13, 49408), (16, 40144), (26, 24704), (32, 20072), (52, 12352), (64, 10036), (104, 6176), (128, 5018), (193, 3328), (208, 3088), (256, 2509), (386, 1664), (416, 1544), (772, 832)]