28305186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1175

約数の個数: 64

約数和(自身を含む): 71221248

約数和(自身を除く): 42916062

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 987, 1103, 1222, 1833, 1974, 2206, 3309, 3666, 4277, 6618, 7721, 8554, 12831, 14339, 15442, 23163, 25662, 28678, 43017, 46326, 51841, 86034, 100373, 103682, 155523, 200746, 301119, 311046, 362887, 602238, 673933, 725774, 1088661, 1347866, 2021799, 2177322, 4043598, 4717531, 9435062, 14152593, 28305186]

約数ペア:

[(1, 28305186), (2, 14152593), (3, 9435062), (6, 4717531), (7, 4043598), (13, 2177322), (14, 2021799), (21, 1347866), (26, 1088661), (39, 725774), (42, 673933), (47, 602238), (78, 362887), (91, 311046), (94, 301119), (141, 200746), (182, 155523), (273, 103682), (282, 100373), (329, 86034), (546, 51841), (611, 46326), (658, 43017), (987, 28678), (1103, 25662), (1222, 23163), (1833, 15442), (1974, 14339), (2206, 12831), (3309, 8554), (3666, 7721), (4277, 6618)]