257375008

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 72

約数和(自身を含む): 566488944

約数和(自身を除く): 309113936

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 331, 352, 376, 517, 662, 752, 1034, 1324, 1504, 2068, 2209, 2648, 3641, 4136, 4418, 5296, 7282, 8272, 8836, 10592, 14564, 15557, 16544, 17672, 24299, 29128, 31114, 35344, 48598, 58256, 62228, 70688, 97196, 116512, 124456, 171127, 194392, 248912, 342254, 388784, 497824, 684508, 731179, 777568, 1369016, 1462358, 2738032, 2924716, 5476064, 5849432, 8042969, 11698864, 16085938, 23397728, 32171876, 64343752, 128687504, 257375008]

約数ペア:

[(1, 257375008), (2, 128687504), (4, 64343752), (8, 32171876), (11, 23397728), (16, 16085938), (22, 11698864), (32, 8042969), (44, 5849432), (47, 5476064), (88, 2924716), (94, 2738032), (176, 1462358), (188, 1369016), (331, 777568), (352, 731179), (376, 684508), (517, 497824), (662, 388784), (752, 342254), (1034, 248912), (1324, 194392), (1504, 171127), (2068, 124456), (2209, 116512), (2648, 97196), (3641, 70688), (4136, 62228), (4418, 58256), (5296, 48598), (7282, 35344), (8272, 31114), (8836, 29128), (10592, 24299), (14564, 17672), (15557, 16544)]