221251428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{323467}}^1$

素因数の和:323496

約数の個数: 36

約数和(自身を含む): 588711760

約数和(自身を除く): 367460332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 323467, 646934, 970401, 1293868, 1940802, 2911203, 3881604, 5822406, 6145873, 11644812, 12291746, 18437619, 24583492, 36875238, 55312857, 73750476, 110625714, 221251428]

約数ペア:

[(1, 221251428), (2, 110625714), (3, 73750476), (4, 55312857), (6, 36875238), (9, 24583492), (12, 18437619), (18, 12291746), (19, 11644812), (36, 6145873), (38, 5822406), (57, 3881604), (76, 2911203), (114, 1940802), (171, 1293868), (228, 970401), (342, 646934), (684, 323467)]