2148701056

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{390389}}^1$

素因数の和:390446

約数の個数: 32

約数和(自身を含む): 4380175800

約数和(自身を除く): 2231474744

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 5504, 390389, 780778, 1561556, 3123112, 6246224, 12492448, 16786727, 24984896, 33573454, 49969792, 67146908, 134293816, 268587632, 537175264, 1074350528, 2148701056]

約数ペア:

[(1, 2148701056), (2, 1074350528), (4, 537175264), (8, 268587632), (16, 134293816), (32, 67146908), (43, 49969792), (64, 33573454), (86, 24984896), (128, 16786727), (172, 12492448), (344, 6246224), (688, 3123112), (1376, 1561556), (2752, 780778), (5504, 390389)]