213256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 32

約数和(自身を含む): 446400

約数和(自身を除く): 233144

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 61, 76, 92, 122, 152, 184, 244, 437, 488, 874, 1159, 1403, 1748, 2318, 2806, 3496, 4636, 5612, 9272, 11224, 26657, 53314, 106628, 213256]

約数ペア:

[(1, 213256), (2, 106628), (4, 53314), (8, 26657), (19, 11224), (23, 9272), (38, 5612), (46, 4636), (61, 3496), (76, 2806), (92, 2318), (122, 1748), (152, 1403), (184, 1159), (244, 874), (437, 488)]