197889328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{135913}}^1$

素因数の和:135941

約数の個数: 40

約数和(自身を含む): 471893408

約数和(自身を除く): 274004080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 135913, 271826, 543652, 951391, 1087304, 1766869, 1902782, 2174608, 3533738, 3805564, 7067476, 7611128, 12368083, 14134952, 15222256, 24736166, 28269904, 49472332, 98944664, 197889328]

約数ペア:

[(1, 197889328), (2, 98944664), (4, 49472332), (7, 28269904), (8, 24736166), (13, 15222256), (14, 14134952), (16, 12368083), (26, 7611128), (28, 7067476), (52, 3805564), (56, 3533738), (91, 2174608), (104, 1902782), (112, 1766869), (182, 1087304), (208, 951391), (364, 543652), (728, 271826), (1456, 135913)]