309712616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{33403}}^1$

素因数の和:33489

約数の個数: 32

約数和(自身を含む): 621314400

約数和(自身を除く): 311601784

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 33403, 66806, 133612, 267224, 634657, 1269314, 2037583, 2538628, 4075166, 5077256, 8150332, 16300664, 38714077, 77428154, 154856308, 309712616]

約数ペア:

[(1, 309712616), (2, 154856308), (4, 77428154), (8, 38714077), (19, 16300664), (38, 8150332), (61, 5077256), (76, 4075166), (122, 2538628), (152, 2037583), (244, 1269314), (488, 634657), (1159, 267224), (2318, 133612), (4636, 66806), (9272, 33403)]