212955288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 659473920

約数和(自身を除く): 446518632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 281, 312, 347, 364, 546, 562, 694, 728, 843, 1041, 1092, 1124, 1388, 1686, 1967, 2082, 2184, 2248, 2429, 2776, 3372, 3653, 3934, 4164, 4511, 4858, 5901, 6744, 7287, 7306, 7868, 8328, 9022, 9716, 10959, 11802, 13533, 14574, 14612, 15736, 18044, 19432, 21918, 23604, 25571, 27066, 29148, 29224, 31577, 36088, 43836, 47208, 51142, 54132, 58296, 63154, 76713, 87672, 94731, 97507, 102284, 108264, 126308, 153426, 189462, 195014, 204568, 252616, 292521, 306852, 378924, 390028, 585042, 613704, 682549, 757848, 780056, 1170084, 1267591, 1365098, 2047647, 2340168, 2535182, 2730196, 3802773, 4095294, 5070364, 5460392, 7605546, 8190588, 8873137, 10140728, 15211092, 16381176, 17746274, 26619411, 30422184, 35492548, 53238822, 70985096, 106477644, 212955288]

約数ペア:

[(1, 212955288), (2, 106477644), (3, 70985096), (4, 53238822), (6, 35492548), (7, 30422184), (8, 26619411), (12, 17746274), (13, 16381176), (14, 15211092), (21, 10140728), (24, 8873137), (26, 8190588), (28, 7605546), (39, 5460392), (42, 5070364), (52, 4095294), (56, 3802773), (78, 2730196), (84, 2535182), (91, 2340168), (104, 2047647), (156, 1365098), (168, 1267591), (182, 1170084), (273, 780056), (281, 757848), (312, 682549), (347, 613704), (364, 585042), (546, 390028), (562, 378924), (694, 306852), (728, 292521), (843, 252616), (1041, 204568), (1092, 195014), (1124, 189462), (1388, 153426), (1686, 126308), (1967, 108264), (2082, 102284), (2184, 97507), (2248, 94731), (2429, 87672), (2776, 76713), (3372, 63154), (3653, 58296), (3934, 54132), (4164, 51142), (4511, 47208), (4858, 43836), (5901, 36088), (6744, 31577), (7287, 29224), (7306, 29148), (7868, 27066), (8328, 25571), (9022, 23604), (9716, 21918), (10959, 19432), (11802, 18044), (13533, 15736), (14574, 14612)]