161747872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2719}}^1$

素因数の和:2766

約数の個数: 72

約数和(自身を含む): 376306560

約数和(自身を除く): 214558688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 352, 416, 572, 676, 1144, 1352, 1859, 2288, 2704, 2719, 3718, 4576, 5408, 5438, 7436, 10876, 14872, 21752, 29744, 29909, 35347, 43504, 59488, 59818, 70694, 87008, 119636, 141388, 239272, 282776, 388817, 459511, 478544, 565552, 777634, 919022, 957088, 1131104, 1555268, 1838044, 3110536, 3676088, 5054621, 6221072, 7352176, 10109242, 12442144, 14704352, 20218484, 40436968, 80873936, 161747872]

約数ペア:

[(1, 161747872), (2, 80873936), (4, 40436968), (8, 20218484), (11, 14704352), (13, 12442144), (16, 10109242), (22, 7352176), (26, 6221072), (32, 5054621), (44, 3676088), (52, 3110536), (88, 1838044), (104, 1555268), (143, 1131104), (169, 957088), (176, 919022), (208, 777634), (286, 565552), (338, 478544), (352, 459511), (416, 388817), (572, 282776), (676, 239272), (1144, 141388), (1352, 119636), (1859, 87008), (2288, 70694), (2704, 59818), (2719, 59488), (3718, 43504), (4576, 35347), (5408, 29909), (5438, 29744), (7436, 21752), (10876, 14872)]