31278408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 65489592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 41, 42, 56, 57, 76, 82, 84, 114, 123, 133, 152, 164, 168, 228, 239, 246, 266, 287, 328, 399, 456, 478, 492, 532, 574, 717, 779, 798, 861, 956, 984, 1064, 1148, 1434, 1558, 1596, 1673, 1722, 1912, 2296, 2337, 2868, 3116, 3192, 3346, 3444, 4541, 4674, 5019, 5453, 5736, 6232, 6692, 6888, 9082, 9348, 9799, 10038, 10906, 13384, 13623, 16359, 18164, 18696, 19598, 20076, 21812, 27246, 29397, 31787, 32718, 36328, 39196, 40152, 43624, 54492, 58794, 63574, 65436, 68593, 78392, 95361, 108984, 117588, 127148, 130872, 137186, 186181, 190722, 205779, 235176, 254296, 274372, 372362, 381444, 411558, 548744, 558543, 744724, 762888, 823116, 1117086, 1303267, 1489448, 1646232, 2234172, 2606534, 3909801, 4468344, 5213068, 7819602, 10426136, 15639204, 31278408]

約数ペア:

[(1, 31278408), (2, 15639204), (3, 10426136), (4, 7819602), (6, 5213068), (7, 4468344), (8, 3909801), (12, 2606534), (14, 2234172), (19, 1646232), (21, 1489448), (24, 1303267), (28, 1117086), (38, 823116), (41, 762888), (42, 744724), (56, 558543), (57, 548744), (76, 411558), (82, 381444), (84, 372362), (114, 274372), (123, 254296), (133, 235176), (152, 205779), (164, 190722), (168, 186181), (228, 137186), (239, 130872), (246, 127148), (266, 117588), (287, 108984), (328, 95361), (399, 78392), (456, 68593), (478, 65436), (492, 63574), (532, 58794), (574, 54492), (717, 43624), (779, 40152), (798, 39196), (861, 36328), (956, 32718), (984, 31787), (1064, 29397), (1148, 27246), (1434, 21812), (1558, 20076), (1596, 19598), (1673, 18696), (1722, 18164), (1912, 16359), (2296, 13623), (2337, 13384), (2868, 10906), (3116, 10038), (3192, 9799), (3346, 9348), (3444, 9082), (4541, 6888), (4674, 6692), (5019, 6232), (5453, 5736)]