78473968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{683}}^1$

素因数の和:901

約数の個数: 40

約数和(自身を含む): 156739968

約数和(自身を除く): 78266000

約数列:

[1, 2, 4, 8, 16, 43, 86, 167, 172, 334, 344, 668, 683, 688, 1336, 1366, 2672, 2732, 5464, 7181, 10928, 14362, 28724, 29369, 57448, 58738, 114061, 114896, 117476, 228122, 234952, 456244, 469904, 912488, 1824976, 4904623, 9809246, 19618492, 39236984, 78473968]

約数ペア:

[(1, 78473968), (2, 39236984), (4, 19618492), (8, 9809246), (16, 4904623), (43, 1824976), (86, 912488), (167, 469904), (172, 456244), (334, 234952), (344, 228122), (668, 117476), (683, 114896), (688, 114061), (1336, 58738), (1366, 57448), (2672, 29369), (2732, 28724), (5464, 14362), (7181, 10928)]