42378196

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21317}}^1$

素因数の和:21399

約数の個数: 24

約数和(自身を含む): 85954176

約数和(自身を除く): 43575980

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 21317, 42634, 85268, 149219, 298438, 596876, 1513507, 3027014, 6054028, 10594549, 21189098, 42378196]

約数ペア:

[(1, 42378196), (2, 21189098), (4, 10594549), (7, 6054028), (14, 3027014), (28, 1513507), (71, 596876), (142, 298438), (284, 149219), (497, 85268), (994, 42634), (1988, 21317)]