31917228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 95606784

約数和(自身を除く): 63689556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 49, 51, 62, 68, 84, 93, 98, 102, 103, 119, 124, 147, 186, 196, 204, 206, 217, 238, 294, 309, 357, 372, 412, 434, 476, 527, 588, 618, 651, 714, 721, 833, 868, 1054, 1236, 1302, 1428, 1442, 1519, 1581, 1666, 1751, 2108, 2163, 2499, 2604, 2884, 3038, 3162, 3193, 3332, 3502, 3689, 4326, 4557, 4998, 5047, 5253, 6076, 6324, 6386, 7004, 7378, 8652, 9114, 9579, 9996, 10094, 10506, 11067, 12257, 12772, 14756, 15141, 18228, 19158, 20188, 21012, 22134, 22351, 24514, 25823, 30282, 36771, 38316, 44268, 44702, 49028, 51646, 54281, 60564, 67053, 73542, 77469, 85799, 89404, 103292, 108562, 134106, 147084, 154938, 156457, 162843, 171598, 217124, 257397, 268212, 309876, 312914, 325686, 343196, 379967, 469371, 514794, 625828, 651372, 759934, 938742, 1029588, 1139901, 1519868, 1877484, 2279802, 2659769, 4559604, 5319538, 7979307, 10639076, 15958614, 31917228]

約数ペア:

[(1, 31917228), (2, 15958614), (3, 10639076), (4, 7979307), (6, 5319538), (7, 4559604), (12, 2659769), (14, 2279802), (17, 1877484), (21, 1519868), (28, 1139901), (31, 1029588), (34, 938742), (42, 759934), (49, 651372), (51, 625828), (62, 514794), (68, 469371), (84, 379967), (93, 343196), (98, 325686), (102, 312914), (103, 309876), (119, 268212), (124, 257397), (147, 217124), (186, 171598), (196, 162843), (204, 156457), (206, 154938), (217, 147084), (238, 134106), (294, 108562), (309, 103292), (357, 89404), (372, 85799), (412, 77469), (434, 73542), (476, 67053), (527, 60564), (588, 54281), (618, 51646), (651, 49028), (714, 44702), (721, 44268), (833, 38316), (868, 36771), (1054, 30282), (1236, 25823), (1302, 24514), (1428, 22351), (1442, 22134), (1519, 21012), (1581, 20188), (1666, 19158), (1751, 18228), (2108, 15141), (2163, 14756), (2499, 12772), (2604, 12257), (2884, 11067), (3038, 10506), (3162, 10094), (3193, 9996), (3332, 9579), (3502, 9114), (3689, 8652), (4326, 7378), (4557, 7004), (4998, 6386), (5047, 6324), (5253, 6076)]