258398756

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{119851}}^1$

素因数の和:119880

約数の個数: 36

約数和(自身を含む): 573851376

約数和(自身を除く): 315452620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 119851, 239702, 479404, 838957, 1318361, 1677914, 2636722, 3355828, 5273444, 5872699, 9228527, 11745398, 18457054, 23490796, 36914108, 64599689, 129199378, 258398756]

約数ペア:

[(1, 258398756), (2, 129199378), (4, 64599689), (7, 36914108), (11, 23490796), (14, 18457054), (22, 11745398), (28, 9228527), (44, 5872699), (49, 5273444), (77, 3355828), (98, 2636722), (154, 1677914), (196, 1318361), (308, 838957), (539, 479404), (1078, 239702), (2156, 119851)]