399350018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2389}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 650462400

約数和(自身を除く): 251112382

約数列:

[1, 2, 19, 38, 53, 83, 106, 166, 1007, 1577, 2014, 2389, 3154, 4399, 4778, 8798, 45391, 83581, 90782, 126617, 167162, 198287, 253234, 396574, 2405723, 3767453, 4811446, 7534906, 10509211, 21018422, 199675009, 399350018]

約数ペア:

[(1, 399350018), (2, 199675009), (19, 21018422), (38, 10509211), (53, 7534906), (83, 4811446), (106, 3767453), (166, 2405723), (1007, 396574), (1577, 253234), (2014, 198287), (2389, 167162), (3154, 126617), (4399, 90782), (4778, 83581), (8798, 45391)]