247403618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 80

約数和(自身を含む): 500929920

約数和(自身を除く): 253526302

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 71, 77, 119, 121, 142, 154, 187, 238, 242, 374, 497, 781, 847, 994, 1207, 1309, 1331, 1562, 1694, 2057, 2414, 2618, 2662, 4114, 5467, 8449, 8591, 9317, 10934, 13277, 14399, 14641, 16898, 17182, 18634, 22627, 26554, 28798, 29282, 45254, 60137, 92939, 94501, 102487, 120274, 146047, 158389, 185878, 189002, 204974, 248897, 292094, 316778, 497794, 661507, 1022329, 1039511, 1323014, 1606517, 1742279, 2044658, 2079022, 3213034, 3484558, 7276577, 11245619, 14553154, 17671687, 22491238, 35343374, 123701809, 247403618]

約数ペア:

[(1, 247403618), (2, 123701809), (7, 35343374), (11, 22491238), (14, 17671687), (17, 14553154), (22, 11245619), (34, 7276577), (71, 3484558), (77, 3213034), (119, 2079022), (121, 2044658), (142, 1742279), (154, 1606517), (187, 1323014), (238, 1039511), (242, 1022329), (374, 661507), (497, 497794), (781, 316778), (847, 292094), (994, 248897), (1207, 204974), (1309, 189002), (1331, 185878), (1562, 158389), (1694, 146047), (2057, 120274), (2414, 102487), (2618, 94501), (2662, 92939), (4114, 60137), (5467, 45254), (8449, 29282), (8591, 28798), (9317, 26554), (10934, 22627), (13277, 18634), (14399, 17182), (14641, 16898)]