81970304

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{49261}}^1$

素因数の和:49288

約数の個数: 32

約数和(自身を含む): 175865340

約数和(自身を除く): 93895036

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 49261, 98522, 197044, 394088, 640393, 788176, 1280786, 1576352, 2561572, 3152704, 5123144, 6305408, 10246288, 20492576, 40985152, 81970304]

約数ペア:

[(1, 81970304), (2, 40985152), (4, 20492576), (8, 10246288), (13, 6305408), (16, 5123144), (26, 3152704), (32, 2561572), (52, 1576352), (64, 1280786), (104, 788176), (128, 640393), (208, 394088), (416, 197044), (832, 98522), (1664, 49261)]