261567404

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 530761728

約数和(自身を除く): 269194324

約数列:

[1, 2, 4, 7, 14, 28, 163, 223, 257, 326, 446, 514, 652, 892, 1028, 1141, 1561, 1799, 2282, 3122, 3598, 4564, 6244, 7196, 36349, 41891, 57311, 72698, 83782, 114622, 145396, 167564, 229244, 254443, 293237, 401177, 508886, 586474, 802354, 1017772, 1172948, 1604708, 9341693, 18683386, 37366772, 65391851, 130783702, 261567404]

約数ペア:

[(1, 261567404), (2, 130783702), (4, 65391851), (7, 37366772), (14, 18683386), (28, 9341693), (163, 1604708), (223, 1172948), (257, 1017772), (326, 802354), (446, 586474), (514, 508886), (652, 401177), (892, 293237), (1028, 254443), (1141, 229244), (1561, 167564), (1799, 145396), (2282, 114622), (3122, 83782), (3598, 72698), (4564, 57311), (6244, 41891), (7196, 36349)]