210856778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 371625408

約数和(自身を除く): 160768630

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 121, 242, 253, 473, 506, 881, 946, 989, 1762, 1978, 2783, 5203, 5566, 9691, 10406, 10879, 19382, 20263, 21758, 37883, 40526, 75766, 106601, 119669, 213202, 222893, 239338, 416713, 445786, 833426, 871309, 1742618, 2451823, 4583843, 4903646, 9167686, 9584399, 19168798, 105428389, 210856778]

約数ペア:

[(1, 210856778), (2, 105428389), (11, 19168798), (22, 9584399), (23, 9167686), (43, 4903646), (46, 4583843), (86, 2451823), (121, 1742618), (242, 871309), (253, 833426), (473, 445786), (506, 416713), (881, 239338), (946, 222893), (989, 213202), (1762, 119669), (1978, 106601), (2783, 75766), (5203, 40526), (5566, 37883), (9691, 21758), (10406, 20263), (10879, 19382)]