221509872

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1507

約数の個数: 120

約数和(自身を含む): 661100544

約数和(自身を除く): 439590672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 47, 48, 69, 72, 92, 94, 138, 141, 144, 184, 188, 207, 276, 282, 368, 376, 414, 423, 552, 564, 752, 828, 846, 1081, 1104, 1128, 1423, 1656, 1692, 2162, 2256, 2846, 3243, 3312, 3384, 4269, 4324, 5692, 6486, 6768, 8538, 8648, 9729, 11384, 12807, 12972, 17076, 17296, 19458, 22768, 25614, 25944, 32729, 34152, 38916, 51228, 51888, 65458, 66881, 68304, 77832, 98187, 102456, 130916, 133762, 155664, 196374, 200643, 204912, 261832, 267524, 294561, 392748, 401286, 523664, 535048, 589122, 601929, 785496, 802572, 1070096, 1178244, 1203858, 1538263, 1570992, 1605144, 2356488, 2407716, 3076526, 3210288, 4614789, 4712976, 4815432, 6153052, 9229578, 9630864, 12306104, 13844367, 18459156, 24612208, 27688734, 36918312, 55377468, 73836624, 110754936, 221509872]

約数ペア:

[(1, 221509872), (2, 110754936), (3, 73836624), (4, 55377468), (6, 36918312), (8, 27688734), (9, 24612208), (12, 18459156), (16, 13844367), (18, 12306104), (23, 9630864), (24, 9229578), (36, 6153052), (46, 4815432), (47, 4712976), (48, 4614789), (69, 3210288), (72, 3076526), (92, 2407716), (94, 2356488), (138, 1605144), (141, 1570992), (144, 1538263), (184, 1203858), (188, 1178244), (207, 1070096), (276, 802572), (282, 785496), (368, 601929), (376, 589122), (414, 535048), (423, 523664), (552, 401286), (564, 392748), (752, 294561), (828, 267524), (846, 261832), (1081, 204912), (1104, 200643), (1128, 196374), (1423, 155664), (1656, 133762), (1692, 130916), (2162, 102456), (2256, 98187), (2846, 77832), (3243, 68304), (3312, 66881), (3384, 65458), (4269, 51888), (4324, 51228), (5692, 38916), (6486, 34152), (6768, 32729), (8538, 25944), (8648, 25614), (9729, 22768), (11384, 19458), (12807, 17296), (12972, 17076)]