71656768

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1079

約数の個数: 56

約数和(自身を含む): 152960832

約数和(自身を除く): 81304064

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 134, 136, 268, 272, 536, 544, 983, 1072, 1088, 1139, 1966, 2144, 2278, 3932, 4288, 4556, 7864, 9112, 15728, 16711, 18224, 31456, 33422, 36448, 62912, 65861, 66844, 72896, 131722, 133688, 263444, 267376, 526888, 534752, 1053776, 1069504, 1119637, 2107552, 2239274, 4215104, 4478548, 8957096, 17914192, 35828384, 71656768]

約数ペア:

[(1, 71656768), (2, 35828384), (4, 17914192), (8, 8957096), (16, 4478548), (17, 4215104), (32, 2239274), (34, 2107552), (64, 1119637), (67, 1069504), (68, 1053776), (134, 534752), (136, 526888), (268, 267376), (272, 263444), (536, 133688), (544, 131722), (983, 72896), (1072, 66844), (1088, 65861), (1139, 62912), (1966, 36448), (2144, 33422), (2278, 31456), (3932, 18224), (4288, 16711), (4556, 15728), (7864, 9112)]