249538406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3919}}^1$

素因数の和:4044

約数の個数: 32

約数和(自身を含む): 421478400

約数和(自身を除く): 171939994

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 806, 1027, 2054, 2449, 3919, 4898, 7838, 31837, 50947, 63674, 101894, 121489, 242978, 309601, 619202, 1579357, 3158714, 4024813, 8049626, 9597631, 19195262, 124769203, 249538406]

約数ペア:

[(1, 249538406), (2, 124769203), (13, 19195262), (26, 9597631), (31, 8049626), (62, 4024813), (79, 3158714), (158, 1579357), (403, 619202), (806, 309601), (1027, 242978), (2054, 121489), (2449, 101894), (3919, 63674), (4898, 50947), (7838, 31837)]