161789404

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 331914240

約数和(自身を除く): 170124836

約数列:

[1, 2, 4, 7, 14, 28, 71, 97, 142, 194, 284, 388, 497, 679, 839, 994, 1358, 1678, 1988, 2716, 3356, 5873, 6887, 11746, 13774, 23492, 27548, 48209, 59569, 81383, 96418, 119138, 162766, 192836, 238276, 325532, 416983, 569681, 833966, 1139362, 1667932, 2278724, 5778193, 11556386, 23112772, 40447351, 80894702, 161789404]

約数ペア:

[(1, 161789404), (2, 80894702), (4, 40447351), (7, 23112772), (14, 11556386), (28, 5778193), (71, 2278724), (97, 1667932), (142, 1139362), (194, 833966), (284, 569681), (388, 416983), (497, 325532), (679, 238276), (839, 192836), (994, 162766), (1358, 119138), (1678, 96418), (1988, 81383), (2716, 59569), (3356, 48209), (5873, 27548), (6887, 23492), (11746, 13774)]