201515728

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{1217}}^1$

素因数の和:1435

約数の個数: 40

約数和(自身を含む): 398724480

約数和(自身を除く): 197208752

約数列:

[1, 2, 4, 8, 16, 79, 131, 158, 262, 316, 524, 632, 1048, 1217, 1264, 2096, 2434, 4868, 9736, 10349, 19472, 20698, 41396, 82792, 96143, 159427, 165584, 192286, 318854, 384572, 637708, 769144, 1275416, 1538288, 2550832, 12594733, 25189466, 50378932, 100757864, 201515728]

約数ペア:

[(1, 201515728), (2, 100757864), (4, 50378932), (8, 25189466), (16, 12594733), (79, 2550832), (131, 1538288), (158, 1275416), (262, 769144), (316, 637708), (524, 384572), (632, 318854), (1048, 192286), (1217, 165584), (1264, 159427), (2096, 96143), (2434, 82792), (4868, 41396), (9736, 20698), (10349, 19472)]