641026856

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{7297}}^1$

素因数の和:7521

約数の個数: 32

約数和(自身を含む): 1226064000

約数和(自身を除く): 585037144

約数列:

[1, 2, 4, 8, 79, 139, 158, 278, 316, 556, 632, 1112, 7297, 10981, 14594, 21962, 29188, 43924, 58376, 87848, 576463, 1014283, 1152926, 2028566, 2305852, 4057132, 4611704, 8114264, 80128357, 160256714, 320513428, 641026856]

約数ペア:

[(1, 641026856), (2, 320513428), (4, 160256714), (8, 80128357), (79, 8114264), (139, 4611704), (158, 4057132), (278, 2305852), (316, 2028566), (556, 1152926), (632, 1014283), (1112, 576463), (7297, 87848), (10981, 58376), (14594, 43924), (21962, 29188)]