217256868

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 606627840

約数和(自身を除く): 389370972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 61, 76, 82, 114, 122, 123, 127, 164, 171, 183, 228, 244, 246, 254, 342, 366, 369, 381, 492, 508, 549, 684, 732, 738, 762, 779, 1098, 1143, 1159, 1476, 1524, 1558, 2196, 2286, 2318, 2337, 2413, 2501, 3116, 3477, 4572, 4636, 4674, 4826, 5002, 5207, 6954, 7011, 7239, 7503, 7747, 9348, 9652, 10004, 10414, 10431, 13908, 14022, 14478, 15006, 15494, 15621, 20828, 20862, 21717, 22509, 23241, 28044, 28956, 30012, 30988, 31242, 41724, 43434, 45018, 46482, 46863, 47519, 62484, 69723, 86868, 90036, 92964, 93726, 95038, 98933, 139446, 142557, 147193, 187452, 190076, 197866, 278892, 285114, 294386, 296799, 317627, 395732, 427671, 441579, 570228, 588772, 593598, 635254, 855342, 883158, 890397, 952881, 1187196, 1270508, 1324737, 1710684, 1766316, 1780794, 1905762, 2649474, 2858643, 3561588, 3811524, 5298948, 5717286, 6034913, 11434572, 12069826, 18104739, 24139652, 36209478, 54314217, 72418956, 108628434, 217256868]

約数ペア:

[(1, 217256868), (2, 108628434), (3, 72418956), (4, 54314217), (6, 36209478), (9, 24139652), (12, 18104739), (18, 12069826), (19, 11434572), (36, 6034913), (38, 5717286), (41, 5298948), (57, 3811524), (61, 3561588), (76, 2858643), (82, 2649474), (114, 1905762), (122, 1780794), (123, 1766316), (127, 1710684), (164, 1324737), (171, 1270508), (183, 1187196), (228, 952881), (244, 890397), (246, 883158), (254, 855342), (342, 635254), (366, 593598), (369, 588772), (381, 570228), (492, 441579), (508, 427671), (549, 395732), (684, 317627), (732, 296799), (738, 294386), (762, 285114), (779, 278892), (1098, 197866), (1143, 190076), (1159, 187452), (1476, 147193), (1524, 142557), (1558, 139446), (2196, 98933), (2286, 95038), (2318, 93726), (2337, 92964), (2413, 90036), (2501, 86868), (3116, 69723), (3477, 62484), (4572, 47519), (4636, 46863), (4674, 46482), (4826, 45018), (5002, 43434), (5207, 41724), (6954, 31242), (7011, 30988), (7239, 30012), (7503, 28956), (7747, 28044), (9348, 23241), (9652, 22509), (10004, 21717), (10414, 20862), (10431, 20828), (13908, 15621), (14022, 15494), (14478, 15006)]