217286874

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:942

約数の個数: 120

約数和(自身を含む): 585307008

約数和(自身を除く): 368020134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 49, 54, 62, 63, 81, 93, 98, 126, 147, 162, 186, 189, 217, 279, 294, 378, 434, 441, 558, 567, 651, 837, 882, 883, 1134, 1302, 1323, 1519, 1674, 1766, 1953, 2511, 2646, 2649, 3038, 3906, 3969, 4557, 5022, 5298, 5859, 6181, 7938, 7947, 9114, 11718, 12362, 13671, 15894, 17577, 18543, 23841, 27342, 27373, 35154, 37086, 41013, 43267, 47682, 54746, 55629, 71523, 82026, 82119, 86534, 111258, 123039, 129801, 143046, 164238, 166887, 191611, 246078, 246357, 259602, 333774, 383222, 389403, 492714, 500661, 574833, 739071, 778806, 1001322, 1149666, 1168209, 1341277, 1478142, 1724499, 2217213, 2336418, 2682554, 3448998, 3504627, 4023831, 4434426, 5173497, 7009254, 8047662, 10346994, 12071493, 15520491, 24142986, 31040982, 36214479, 72428958, 108643437, 217286874]

約数ペア:

[(1, 217286874), (2, 108643437), (3, 72428958), (6, 36214479), (7, 31040982), (9, 24142986), (14, 15520491), (18, 12071493), (21, 10346994), (27, 8047662), (31, 7009254), (42, 5173497), (49, 4434426), (54, 4023831), (62, 3504627), (63, 3448998), (81, 2682554), (93, 2336418), (98, 2217213), (126, 1724499), (147, 1478142), (162, 1341277), (186, 1168209), (189, 1149666), (217, 1001322), (279, 778806), (294, 739071), (378, 574833), (434, 500661), (441, 492714), (558, 389403), (567, 383222), (651, 333774), (837, 259602), (882, 246357), (883, 246078), (1134, 191611), (1302, 166887), (1323, 164238), (1519, 143046), (1674, 129801), (1766, 123039), (1953, 111258), (2511, 86534), (2646, 82119), (2649, 82026), (3038, 71523), (3906, 55629), (3969, 54746), (4557, 47682), (5022, 43267), (5298, 41013), (5859, 37086), (6181, 35154), (7938, 27373), (7947, 27342), (9114, 23841), (11718, 18543), (12362, 17577), (13671, 15894)]