212391018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 562636800

約数和(自身を除く): 350245782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 73, 86, 126, 129, 146, 179, 189, 219, 258, 301, 358, 378, 387, 438, 511, 537, 602, 657, 774, 903, 1022, 1074, 1161, 1253, 1314, 1533, 1611, 1806, 1971, 2322, 2506, 2709, 3066, 3139, 3222, 3759, 3942, 4599, 4833, 5418, 6278, 7518, 7697, 8127, 9198, 9417, 9666, 11277, 13067, 13797, 15394, 16254, 18834, 21973, 22554, 23091, 26134, 27594, 28251, 33831, 39201, 43946, 46182, 53879, 56502, 65919, 67662, 69273, 78402, 84753, 91469, 107758, 117603, 131838, 138546, 161637, 169506, 182938, 197757, 207819, 235206, 274407, 323274, 352809, 395514, 415638, 484911, 548814, 561881, 593271, 705618, 823221, 969822, 1123762, 1186542, 1454733, 1646442, 1685643, 2469663, 2909466, 3371286, 3933167, 4939326, 5056929, 7866334, 10113858, 11799501, 15170787, 23599002, 30341574, 35398503, 70797006, 106195509, 212391018]

約数ペア:

[(1, 212391018), (2, 106195509), (3, 70797006), (6, 35398503), (7, 30341574), (9, 23599002), (14, 15170787), (18, 11799501), (21, 10113858), (27, 7866334), (42, 5056929), (43, 4939326), (54, 3933167), (63, 3371286), (73, 2909466), (86, 2469663), (126, 1685643), (129, 1646442), (146, 1454733), (179, 1186542), (189, 1123762), (219, 969822), (258, 823221), (301, 705618), (358, 593271), (378, 561881), (387, 548814), (438, 484911), (511, 415638), (537, 395514), (602, 352809), (657, 323274), (774, 274407), (903, 235206), (1022, 207819), (1074, 197757), (1161, 182938), (1253, 169506), (1314, 161637), (1533, 138546), (1611, 131838), (1806, 117603), (1971, 107758), (2322, 91469), (2506, 84753), (2709, 78402), (3066, 69273), (3139, 67662), (3222, 65919), (3759, 56502), (3942, 53879), (4599, 46182), (4833, 43946), (5418, 39201), (6278, 33831), (7518, 28251), (7697, 27594), (8127, 26134), (9198, 23091), (9417, 22554), (9666, 21973), (11277, 18834), (13067, 16254), (13797, 15394)]