128609104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2351}}^1$

素因数の和:2635

約数の個数: 40

約数和(自身を含む): 269482752

約数和(自身を除く): 140873648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 263, 526, 1052, 2104, 2351, 3419, 4208, 4702, 6838, 9404, 13676, 18808, 27352, 30563, 37616, 54704, 61126, 122252, 244504, 489008, 618313, 1236626, 2473252, 4946504, 8038069, 9893008, 16076138, 32152276, 64304552, 128609104]

約数ペア:

[(1, 128609104), (2, 64304552), (4, 32152276), (8, 16076138), (13, 9893008), (16, 8038069), (26, 4946504), (52, 2473252), (104, 1236626), (208, 618313), (263, 489008), (526, 244504), (1052, 122252), (2104, 61126), (2351, 54704), (3419, 37616), (4208, 30563), (4702, 27352), (6838, 18808), (9404, 13676)]