204601904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20929}}^1$

素因数の和:20997

約数の個数: 40

約数和(自身を含む): 436013760

約数和(自身を除く): 231411856

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 20929, 41858, 83716, 167432, 272077, 334864, 544154, 983663, 1088308, 1967326, 2176616, 3934652, 4353232, 7869304, 12787619, 15738608, 25575238, 51150476, 102300952, 204601904]

約数ペア:

[(1, 204601904), (2, 102300952), (4, 51150476), (8, 25575238), (13, 15738608), (16, 12787619), (26, 7869304), (47, 4353232), (52, 3934652), (94, 2176616), (104, 1967326), (188, 1088308), (208, 983663), (376, 544154), (611, 334864), (752, 272077), (1222, 167432), (2444, 83716), (4888, 41858), (9776, 20929)]