220281088

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{20011}}^1$

素因数の和:20070

約数の個数: 36

約数和(自身を含む): 449949808

約数和(自身を除く): 229668720

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2752, 5504, 11008, 20011, 40022, 80044, 160088, 320176, 640352, 860473, 1280704, 1720946, 2561408, 3441892, 5122816, 6883784, 13767568, 27535136, 55070272, 110140544, 220281088]

約数ペア:

[(1, 220281088), (2, 110140544), (4, 55070272), (8, 27535136), (16, 13767568), (32, 6883784), (43, 5122816), (64, 3441892), (86, 2561408), (128, 1720946), (172, 1280704), (256, 860473), (344, 640352), (688, 320176), (1376, 160088), (2752, 80044), (5504, 40022), (11008, 20011)]