217929712

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1287

約数の個数: 120

約数和(自身を含む): 571678688

約数和(自身を除く): 353748976

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 121, 143, 154, 176, 182, 208, 242, 286, 308, 364, 484, 572, 616, 728, 847, 968, 1001, 1144, 1232, 1237, 1456, 1573, 1694, 1936, 2002, 2288, 2474, 3146, 3388, 4004, 4948, 6292, 6776, 8008, 8659, 9896, 11011, 12584, 13552, 13607, 16016, 16081, 17318, 19792, 22022, 25168, 27214, 32162, 34636, 44044, 54428, 64324, 69272, 88088, 95249, 108856, 112567, 128648, 138544, 149677, 176176, 176891, 190498, 217712, 225134, 257296, 299354, 353782, 380996, 450268, 598708, 707564, 761992, 900536, 1047739, 1197416, 1238237, 1415128, 1523984, 1801072, 1945801, 2095478, 2394832, 2476474, 2830256, 3891602, 4190956, 4952948, 7783204, 8381912, 9905896, 13620607, 15566408, 16763824, 19811792, 27241214, 31132816, 54482428, 108964856, 217929712]

約数ペア:

[(1, 217929712), (2, 108964856), (4, 54482428), (7, 31132816), (8, 27241214), (11, 19811792), (13, 16763824), (14, 15566408), (16, 13620607), (22, 9905896), (26, 8381912), (28, 7783204), (44, 4952948), (52, 4190956), (56, 3891602), (77, 2830256), (88, 2476474), (91, 2394832), (104, 2095478), (112, 1945801), (121, 1801072), (143, 1523984), (154, 1415128), (176, 1238237), (182, 1197416), (208, 1047739), (242, 900536), (286, 761992), (308, 707564), (364, 598708), (484, 450268), (572, 380996), (616, 353782), (728, 299354), (847, 257296), (968, 225134), (1001, 217712), (1144, 190498), (1232, 176891), (1237, 176176), (1456, 149677), (1573, 138544), (1694, 128648), (1936, 112567), (2002, 108856), (2288, 95249), (2474, 88088), (3146, 69272), (3388, 64324), (4004, 54428), (4948, 44044), (6292, 34636), (6776, 32162), (8008, 27214), (8659, 25168), (9896, 22022), (11011, 19792), (12584, 17318), (13552, 16081), (13607, 16016)]