161711964

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 450942800

約数和(自身を除く): 289230836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 109, 114, 162, 171, 218, 228, 241, 324, 327, 342, 436, 482, 513, 654, 684, 723, 964, 981, 1026, 1308, 1446, 1539, 1962, 2052, 2071, 2169, 2892, 2943, 3078, 3924, 4142, 4338, 4579, 5886, 6156, 6213, 6507, 8284, 8676, 8829, 9158, 11772, 12426, 13014, 13737, 17658, 18316, 18639, 19521, 24852, 26028, 26269, 27474, 35316, 37278, 39042, 41211, 52538, 54948, 55917, 74556, 78084, 78807, 82422, 105076, 111834, 123633, 157614, 164844, 167751, 223668, 236421, 247266, 315228, 335502, 370899, 472842, 494532, 499111, 671004, 709263, 741798, 945684, 998222, 1418526, 1483596, 1497333, 1996444, 2127789, 2837052, 2994666, 4255578, 4491999, 5989332, 8511156, 8983998, 13475997, 17967996, 26951994, 40427991, 53903988, 80855982, 161711964]

約数ペア:

[(1, 161711964), (2, 80855982), (3, 53903988), (4, 40427991), (6, 26951994), (9, 17967996), (12, 13475997), (18, 8983998), (19, 8511156), (27, 5989332), (36, 4491999), (38, 4255578), (54, 2994666), (57, 2837052), (76, 2127789), (81, 1996444), (108, 1497333), (109, 1483596), (114, 1418526), (162, 998222), (171, 945684), (218, 741798), (228, 709263), (241, 671004), (324, 499111), (327, 494532), (342, 472842), (436, 370899), (482, 335502), (513, 315228), (654, 247266), (684, 236421), (723, 223668), (964, 167751), (981, 164844), (1026, 157614), (1308, 123633), (1446, 111834), (1539, 105076), (1962, 82422), (2052, 78807), (2071, 78084), (2169, 74556), (2892, 55917), (2943, 54948), (3078, 52538), (3924, 41211), (4142, 39042), (4338, 37278), (4579, 35316), (5886, 27474), (6156, 26269), (6213, 26028), (6507, 24852), (8284, 19521), (8676, 18639), (8829, 18316), (9158, 17658), (11772, 13737), (12426, 13014)]