161987958

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 427622400

約数和(自身を除く): 265634442

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 31, 33, 38, 54, 57, 62, 66, 93, 99, 114, 171, 186, 198, 209, 279, 297, 341, 342, 418, 463, 513, 558, 589, 594, 627, 682, 837, 926, 1023, 1026, 1178, 1254, 1389, 1674, 1767, 1881, 2046, 2778, 3069, 3534, 3762, 4167, 5093, 5301, 5643, 6138, 6479, 8334, 8797, 9207, 10186, 10602, 11286, 12501, 12958, 14353, 15279, 15903, 17594, 18414, 19437, 25002, 26391, 28706, 30558, 31806, 38874, 43059, 45837, 52782, 58311, 79173, 86118, 91674, 96767, 116622, 129177, 137511, 157883, 158346, 174933, 193534, 237519, 258354, 272707, 275022, 290301, 315766, 349866, 387531, 473649, 475038, 545414, 580602, 775062, 818121, 870903, 947298, 1420947, 1636242, 1741806, 2454363, 2612709, 2841894, 2999777, 4262841, 4908726, 5225418, 5999554, 7363089, 8525682, 8999331, 14726178, 17998662, 26997993, 53995986, 80993979, 161987958]

約数ペア:

[(1, 161987958), (2, 80993979), (3, 53995986), (6, 26997993), (9, 17998662), (11, 14726178), (18, 8999331), (19, 8525682), (22, 7363089), (27, 5999554), (31, 5225418), (33, 4908726), (38, 4262841), (54, 2999777), (57, 2841894), (62, 2612709), (66, 2454363), (93, 1741806), (99, 1636242), (114, 1420947), (171, 947298), (186, 870903), (198, 818121), (209, 775062), (279, 580602), (297, 545414), (341, 475038), (342, 473649), (418, 387531), (463, 349866), (513, 315766), (558, 290301), (589, 275022), (594, 272707), (627, 258354), (682, 237519), (837, 193534), (926, 174933), (1023, 158346), (1026, 157883), (1178, 137511), (1254, 129177), (1389, 116622), (1674, 96767), (1767, 91674), (1881, 86118), (2046, 79173), (2778, 58311), (3069, 52782), (3534, 45837), (3762, 43059), (4167, 38874), (5093, 31806), (5301, 30558), (5643, 28706), (6138, 26391), (6479, 25002), (8334, 19437), (8797, 18414), (9207, 17594), (10186, 15903), (10602, 15279), (11286, 14353), (12501, 12958)]