257379122

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2179}}^1$

素因数の和:2271

約数の個数: 64

約数和(自身を含む): 527385600

約数和(自身を除く): 270006478

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 59, 77, 91, 118, 143, 154, 182, 286, 413, 649, 767, 826, 1001, 1298, 1534, 2002, 2179, 4358, 4543, 5369, 8437, 9086, 10738, 15253, 16874, 23969, 28327, 30506, 47938, 56654, 59059, 118118, 128561, 167783, 198289, 257122, 311597, 335566, 396578, 623194, 899927, 1414171, 1671293, 1799854, 2181179, 2828342, 3342586, 4362358, 9899197, 11699051, 18384223, 19798394, 23398102, 36768446, 128689561, 257379122]

約数ペア:

[(1, 257379122), (2, 128689561), (7, 36768446), (11, 23398102), (13, 19798394), (14, 18384223), (22, 11699051), (26, 9899197), (59, 4362358), (77, 3342586), (91, 2828342), (118, 2181179), (143, 1799854), (154, 1671293), (182, 1414171), (286, 899927), (413, 623194), (649, 396578), (767, 335566), (826, 311597), (1001, 257122), (1298, 198289), (1534, 167783), (2002, 128561), (2179, 118118), (4358, 59059), (4543, 56654), (5369, 47938), (8437, 30506), (9086, 28327), (10738, 23969), (15253, 16874)]