221305374

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 487618560

約数和(自身を除く): 266313186

約数列:

[1, 2, 3, 6, 9, 18, 127, 131, 254, 262, 381, 393, 739, 762, 786, 1143, 1179, 1478, 2217, 2286, 2358, 4434, 6651, 13302, 16637, 33274, 49911, 93853, 96809, 99822, 149733, 187706, 193618, 281559, 290427, 299466, 563118, 580854, 844677, 871281, 1689354, 1742562, 12294743, 24589486, 36884229, 73768458, 110652687, 221305374]

約数ペア:

[(1, 221305374), (2, 110652687), (3, 73768458), (6, 36884229), (9, 24589486), (18, 12294743), (127, 1742562), (131, 1689354), (254, 871281), (262, 844677), (381, 580854), (393, 563118), (739, 299466), (762, 290427), (786, 281559), (1143, 193618), (1179, 187706), (1478, 149733), (2217, 99822), (2286, 96809), (2358, 93853), (4434, 49911), (6651, 33274), (13302, 16637)]