639730104

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2050417}}^1$

素因数の和:2050439

約数の個数: 32

約数和(自身を含む): 1722351120

約数和(自身を除く): 1082621016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 2050417, 4100834, 6151251, 8201668, 12302502, 16403336, 24605004, 26655421, 49210008, 53310842, 79966263, 106621684, 159932526, 213243368, 319865052, 639730104]

約数ペア:

[(1, 639730104), (2, 319865052), (3, 213243368), (4, 159932526), (6, 106621684), (8, 79966263), (12, 53310842), (13, 49210008), (24, 26655421), (26, 24605004), (39, 16403336), (52, 12302502), (78, 8201668), (104, 6151251), (156, 4100834), (312, 2050417)]