1405109968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{65881}}^1$

素因数の和:65963

約数の個数: 40

約数和(自身を含む): 2875617536

約数和(自身を除く): 1470507568

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328, 65881, 131762, 263524, 527048, 1054096, 2042311, 2832883, 4084622, 5665766, 8169244, 11331532, 16338488, 22663064, 32676976, 45326128, 87819373, 175638746, 351277492, 702554984, 1405109968]

約数ペア:

[(1, 1405109968), (2, 702554984), (4, 351277492), (8, 175638746), (16, 87819373), (31, 45326128), (43, 32676976), (62, 22663064), (86, 16338488), (124, 11331532), (172, 8169244), (248, 5665766), (344, 4084622), (496, 2832883), (688, 2042311), (1333, 1054096), (2666, 527048), (5332, 263524), (10664, 131762), (21328, 65881)]