163914905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 259780608

約数和(自身を除く): 95865703

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 107, 115, 161, 173, 253, 385, 535, 749, 805, 865, 1177, 1211, 1265, 1771, 1903, 2461, 3745, 3979, 5885, 6055, 8239, 8855, 9515, 12305, 13321, 17227, 18511, 19895, 27071, 27853, 41195, 43769, 66605, 86135, 92555, 129577, 135355, 139265, 189497, 203621, 218845, 306383, 425753, 647885, 947485, 1018105, 1425347, 1531915, 2128765, 2980271, 4683283, 7126735, 14901355, 23416415, 32782981, 163914905]

約数ペア:

[(1, 163914905), (5, 32782981), (7, 23416415), (11, 14901355), (23, 7126735), (35, 4683283), (55, 2980271), (77, 2128765), (107, 1531915), (115, 1425347), (161, 1018105), (173, 947485), (253, 647885), (385, 425753), (535, 306383), (749, 218845), (805, 203621), (865, 189497), (1177, 139265), (1211, 135355), (1265, 129577), (1771, 92555), (1903, 86135), (2461, 66605), (3745, 43769), (3979, 41195), (5885, 27853), (6055, 27071), (8239, 19895), (8855, 18511), (9515, 17227), (12305, 13321)]