161578926

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^2$

素因数の和:290

約数の個数: 72

約数和(自身を含む): 381852120

約数和(自身を除く): 220273194

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 113, 114, 171, 222, 226, 333, 339, 342, 666, 678, 703, 1017, 1406, 2034, 2109, 2147, 4181, 4218, 4294, 6327, 6441, 8362, 12543, 12654, 12769, 12882, 19323, 25086, 25538, 37629, 38307, 38646, 75258, 76614, 79439, 114921, 158878, 229842, 238317, 242611, 472453, 476634, 485222, 714951, 727833, 944906, 1417359, 1429902, 1455666, 2183499, 2834718, 4252077, 4366998, 8504154, 8976607, 17953214, 26929821, 53859642, 80789463, 161578926]

約数ペア:

[(1, 161578926), (2, 80789463), (3, 53859642), (6, 26929821), (9, 17953214), (18, 8976607), (19, 8504154), (37, 4366998), (38, 4252077), (57, 2834718), (74, 2183499), (111, 1455666), (113, 1429902), (114, 1417359), (171, 944906), (222, 727833), (226, 714951), (333, 485222), (339, 476634), (342, 472453), (666, 242611), (678, 238317), (703, 229842), (1017, 158878), (1406, 114921), (2034, 79439), (2109, 76614), (2147, 75258), (4181, 38646), (4218, 38307), (4294, 37629), (6327, 25538), (6441, 25086), (8362, 19323), (12543, 12882), (12654, 12769)]