217872012

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 561657600

約数和(自身を除く): 343785588

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 83, 87, 114, 116, 166, 174, 228, 249, 332, 348, 397, 498, 551, 794, 996, 1102, 1191, 1577, 1588, 1653, 2204, 2382, 2407, 3154, 3306, 4731, 4764, 4814, 6308, 6612, 7221, 7543, 9462, 9628, 11513, 14442, 15086, 18924, 22629, 23026, 28884, 30172, 32951, 34539, 45258, 45733, 46052, 65902, 69078, 90516, 91466, 98853, 131804, 137199, 138156, 182932, 197706, 218747, 274398, 395412, 437494, 548796, 626069, 656241, 874988, 955579, 1252138, 1312482, 1878207, 1911158, 2504276, 2624964, 2866737, 3756414, 3822316, 5733474, 7512828, 11466948, 18156001, 36312002, 54468003, 72624004, 108936006, 217872012]

約数ペア:

[(1, 217872012), (2, 108936006), (3, 72624004), (4, 54468003), (6, 36312002), (12, 18156001), (19, 11466948), (29, 7512828), (38, 5733474), (57, 3822316), (58, 3756414), (76, 2866737), (83, 2624964), (87, 2504276), (114, 1911158), (116, 1878207), (166, 1312482), (174, 1252138), (228, 955579), (249, 874988), (332, 656241), (348, 626069), (397, 548796), (498, 437494), (551, 395412), (794, 274398), (996, 218747), (1102, 197706), (1191, 182932), (1577, 138156), (1588, 137199), (1653, 131804), (2204, 98853), (2382, 91466), (2407, 90516), (3154, 69078), (3306, 65902), (4731, 46052), (4764, 45733), (4814, 45258), (6308, 34539), (6612, 32951), (7221, 30172), (7543, 28884), (9462, 23026), (9628, 22629), (11513, 18924), (14442, 15086)]