205121744

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 403620000

約数和(自身を除く): 198498256

約数列:

[1, 2, 4, 8, 16, 139, 149, 278, 298, 556, 596, 619, 1112, 1192, 1238, 2224, 2384, 2476, 4952, 9904, 20711, 41422, 82844, 86041, 92231, 165688, 172082, 184462, 331376, 344164, 368924, 688328, 737848, 1376656, 1475696, 12820109, 25640218, 51280436, 102560872, 205121744]

約数ペア:

[(1, 205121744), (2, 102560872), (4, 51280436), (8, 25640218), (16, 12820109), (139, 1475696), (149, 1376656), (278, 737848), (298, 688328), (556, 368924), (596, 344164), (619, 331376), (1112, 184462), (1192, 172082), (1238, 165688), (2224, 92231), (2384, 86041), (2476, 82844), (4952, 41422), (9904, 20711)]