1900383947

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 2716139520

約数和(自身を除く): 815755573

約数列:

[1, 7, 11, 17, 23, 47, 77, 79, 119, 161, 187, 253, 289, 329, 391, 517, 553, 799, 869, 1081, 1309, 1343, 1771, 1817, 2023, 2737, 3179, 3619, 3713, 4301, 5593, 6083, 6647, 7567, 8789, 9401, 11891, 12719, 13583, 14773, 18377, 19987, 22253, 22831, 25991, 30107, 30889, 40843, 46529, 61523, 63121, 73117, 83237, 85399, 95081, 103411, 128639, 139909, 149413, 159817, 202147, 216223, 251141, 285901, 312409, 339779, 441847, 511819, 525113, 597793, 694331, 939389, 1045891, 1073057, 1415029, 1451783, 1757987, 2186863, 2378453, 3436499, 3675791, 4860317, 5776243, 6575723, 7511399, 10162481, 11803627, 15969613, 24055493, 24680311, 40433701, 82625389, 111787291, 172762177, 271483421, 1900383947]

約数ペア:

[(1, 1900383947), (7, 271483421), (11, 172762177), (17, 111787291), (23, 82625389), (47, 40433701), (77, 24680311), (79, 24055493), (119, 15969613), (161, 11803627), (187, 10162481), (253, 7511399), (289, 6575723), (329, 5776243), (391, 4860317), (517, 3675791), (553, 3436499), (799, 2378453), (869, 2186863), (1081, 1757987), (1309, 1451783), (1343, 1415029), (1771, 1073057), (1817, 1045891), (2023, 939389), (2737, 694331), (3179, 597793), (3619, 525113), (3713, 511819), (4301, 441847), (5593, 339779), (6083, 312409), (6647, 285901), (7567, 251141), (8789, 216223), (9401, 202147), (11891, 159817), (12719, 149413), (13583, 139909), (14773, 128639), (18377, 103411), (19987, 95081), (22253, 85399), (22831, 83237), (25991, 73117), (30107, 63121), (30889, 61523), (40843, 46529)]