221449712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1494

約数の個数: 80

約数和(自身を含む): 503539200

約数和(自身を除く): 282089488

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 152, 176, 188, 209, 304, 376, 418, 517, 752, 836, 893, 1034, 1409, 1672, 1786, 2068, 2818, 3344, 3572, 4136, 5636, 7144, 8272, 9823, 11272, 14288, 15499, 19646, 22544, 26771, 30998, 39292, 53542, 61996, 66223, 78584, 107084, 123992, 132446, 157168, 214168, 247984, 264892, 294481, 428336, 529784, 588962, 728453, 1059568, 1177924, 1258237, 1456906, 2355848, 2516474, 2913812, 4711696, 5032948, 5827624, 10065896, 11655248, 13840607, 20131792, 27681214, 55362428, 110724856, 221449712]

約数ペア:

[(1, 221449712), (2, 110724856), (4, 55362428), (8, 27681214), (11, 20131792), (16, 13840607), (19, 11655248), (22, 10065896), (38, 5827624), (44, 5032948), (47, 4711696), (76, 2913812), (88, 2516474), (94, 2355848), (152, 1456906), (176, 1258237), (188, 1177924), (209, 1059568), (304, 728453), (376, 588962), (418, 529784), (517, 428336), (752, 294481), (836, 264892), (893, 247984), (1034, 214168), (1409, 157168), (1672, 132446), (1786, 123992), (2068, 107084), (2818, 78584), (3344, 66223), (3572, 61996), (4136, 53542), (5636, 39292), (7144, 30998), (8272, 26771), (9823, 22544), (11272, 19646), (14288, 15499)]