221319938

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 414927360

約数和(自身を除く): 193607422

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 137, 161, 173, 203, 274, 322, 346, 406, 667, 959, 1211, 1334, 1918, 2422, 3151, 3973, 3979, 4669, 5017, 6302, 7946, 7958, 9338, 10034, 22057, 23701, 27811, 27853, 35119, 44114, 47402, 55622, 55706, 70238, 91379, 115391, 165907, 182758, 230782, 331814, 545123, 639653, 687329, 807737, 1090246, 1279306, 1374658, 1615474, 3815861, 4811303, 7631722, 9622606, 15808567, 31617134, 110659969, 221319938]

約数ペア:

[(1, 221319938), (2, 110659969), (7, 31617134), (14, 15808567), (23, 9622606), (29, 7631722), (46, 4811303), (58, 3815861), (137, 1615474), (161, 1374658), (173, 1279306), (203, 1090246), (274, 807737), (322, 687329), (346, 639653), (406, 545123), (667, 331814), (959, 230782), (1211, 182758), (1334, 165907), (1918, 115391), (2422, 91379), (3151, 70238), (3973, 55706), (3979, 55622), (4669, 47402), (5017, 44114), (6302, 35119), (7946, 27853), (7958, 27811), (9338, 23701), (10034, 22057)]