217872468

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1322

約数の個数: 144

約数和(自身を含む): 660441600

約数和(自身を除く): 442569132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 23, 33, 36, 38, 44, 46, 57, 66, 69, 76, 92, 99, 114, 132, 138, 171, 198, 207, 209, 228, 253, 276, 342, 396, 414, 418, 437, 506, 627, 684, 759, 828, 836, 874, 1012, 1254, 1259, 1311, 1518, 1748, 1881, 2277, 2508, 2518, 2622, 3036, 3762, 3777, 3933, 4554, 4807, 5036, 5244, 7524, 7554, 7866, 9108, 9614, 11331, 13849, 14421, 15108, 15732, 19228, 22662, 23921, 27698, 28842, 28957, 41547, 43263, 45324, 47842, 55396, 57684, 57914, 71763, 83094, 86526, 86871, 95684, 115828, 124641, 143526, 166188, 173052, 173742, 215289, 249282, 260613, 263131, 287052, 318527, 347484, 430578, 498564, 521226, 526262, 550183, 637054, 789393, 861156, 955581, 1042452, 1052524, 1100366, 1274108, 1578786, 1650549, 1911162, 2200732, 2368179, 2866743, 3157572, 3301098, 3822324, 4736358, 4951647, 5733486, 6052013, 6602196, 9472716, 9903294, 11466972, 12104026, 18156039, 19806588, 24208052, 36312078, 54468117, 72624156, 108936234, 217872468]

約数ペア:

[(1, 217872468), (2, 108936234), (3, 72624156), (4, 54468117), (6, 36312078), (9, 24208052), (11, 19806588), (12, 18156039), (18, 12104026), (19, 11466972), (22, 9903294), (23, 9472716), (33, 6602196), (36, 6052013), (38, 5733486), (44, 4951647), (46, 4736358), (57, 3822324), (66, 3301098), (69, 3157572), (76, 2866743), (92, 2368179), (99, 2200732), (114, 1911162), (132, 1650549), (138, 1578786), (171, 1274108), (198, 1100366), (207, 1052524), (209, 1042452), (228, 955581), (253, 861156), (276, 789393), (342, 637054), (396, 550183), (414, 526262), (418, 521226), (437, 498564), (506, 430578), (627, 347484), (684, 318527), (759, 287052), (828, 263131), (836, 260613), (874, 249282), (1012, 215289), (1254, 173742), (1259, 173052), (1311, 166188), (1518, 143526), (1748, 124641), (1881, 115828), (2277, 95684), (2508, 86871), (2518, 86526), (2622, 83094), (3036, 71763), (3762, 57914), (3777, 57684), (3933, 55396), (4554, 47842), (4807, 45324), (5036, 43263), (5244, 41547), (7524, 28957), (7554, 28842), (7866, 27698), (9108, 23921), (9614, 22662), (11331, 19228), (13849, 15732), (14421, 15108)]