205409968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{9631}}^1$

素因数の和:9713

約数の個数: 40

約数和(自身を含む): 420417536

約数和(自身を除く): 215007568

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 9631, 10664, 19262, 21328, 38524, 77048, 154096, 298561, 414133, 597122, 828266, 1194244, 1656532, 2388488, 3313064, 4776976, 6626128, 12838123, 25676246, 51352492, 102704984, 205409968]

約数ペア:

[(1, 205409968), (2, 102704984), (4, 51352492), (8, 25676246), (16, 12838123), (31, 6626128), (43, 4776976), (62, 3313064), (86, 2388488), (124, 1656532), (172, 1194244), (248, 828266), (344, 597122), (496, 414133), (688, 298561), (1333, 154096), (2666, 77048), (5332, 38524), (9631, 21328), (10664, 19262)]