204974128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{5147}}^1$

素因数の和:5305

約数の個数: 40

約数和(自身を含む): 421312320

約数和(自身を除く): 216338192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 2096, 2489, 4978, 5147, 9956, 10294, 19912, 20588, 39824, 41176, 82352, 97793, 195586, 391172, 674257, 782344, 1348514, 1564688, 2697028, 5394056, 10788112, 12810883, 25621766, 51243532, 102487064, 204974128]

約数ペア:

[(1, 204974128), (2, 102487064), (4, 51243532), (8, 25621766), (16, 12810883), (19, 10788112), (38, 5394056), (76, 2697028), (131, 1564688), (152, 1348514), (262, 782344), (304, 674257), (524, 391172), (1048, 195586), (2096, 97793), (2489, 82352), (4978, 41176), (5147, 39824), (9956, 20588), (10294, 19912)]