28065674

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 56318976

約数和(自身を除く): 28253302

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 47, 91, 94, 119, 182, 193, 221, 238, 329, 386, 442, 611, 658, 799, 1222, 1351, 1547, 1598, 2509, 2702, 3094, 3281, 4277, 5018, 5593, 6562, 8554, 9071, 10387, 11186, 17563, 18142, 20774, 22967, 35126, 42653, 45934, 63497, 72709, 85306, 117923, 126994, 145418, 154207, 235846, 298571, 308414, 597142, 825461, 1079449, 1650922, 2004691, 2158898, 4009382, 14032837, 28065674]

約数ペア:

[(1, 28065674), (2, 14032837), (7, 4009382), (13, 2158898), (14, 2004691), (17, 1650922), (26, 1079449), (34, 825461), (47, 597142), (91, 308414), (94, 298571), (119, 235846), (182, 154207), (193, 145418), (221, 126994), (238, 117923), (329, 85306), (386, 72709), (442, 63497), (611, 45934), (658, 42653), (799, 35126), (1222, 22967), (1351, 20774), (1547, 18142), (1598, 17563), (2509, 11186), (2702, 10387), (3094, 9071), (3281, 8554), (4277, 6562), (5018, 5593)]