1374452989

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 1872874080

約数和(自身を除く): 498421091

約数列:

[1, 7, 13, 19, 43, 49, 91, 133, 139, 247, 301, 361, 559, 637, 817, 931, 973, 1729, 1807, 2107, 2527, 2641, 3913, 4693, 5719, 5977, 6811, 10621, 12103, 12649, 15523, 17689, 18487, 27391, 32851, 34333, 40033, 41839, 50179, 74347, 77701, 88543, 108661, 113563, 129409, 201799, 229957, 240331, 292873, 351253, 520429, 543907, 652327, 760627, 794941, 1412593, 1476319, 1682317, 2157697, 2458771, 3807349, 4566289, 5564587, 9888151, 10334233, 15103879, 28050061, 31964023, 72339631, 105727153, 196350427, 1374452989]

約数ペア:

[(1, 1374452989), (7, 196350427), (13, 105727153), (19, 72339631), (43, 31964023), (49, 28050061), (91, 15103879), (133, 10334233), (139, 9888151), (247, 5564587), (301, 4566289), (361, 3807349), (559, 2458771), (637, 2157697), (817, 1682317), (931, 1476319), (973, 1412593), (1729, 794941), (1807, 760627), (2107, 652327), (2527, 543907), (2641, 520429), (3913, 351253), (4693, 292873), (5719, 240331), (5977, 229957), (6811, 201799), (10621, 129409), (12103, 113563), (12649, 108661), (15523, 88543), (17689, 77701), (18487, 74347), (27391, 50179), (32851, 41839), (34333, 40033)]