78844376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39901}}^1$

素因数の和:39939

約数の個数: 32

約数和(自身を含む): 167588400

約数和(自身を除く): 88744024

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 39901, 79802, 159604, 319208, 518713, 758119, 1037426, 1516238, 2074852, 3032476, 4149704, 6064952, 9855547, 19711094, 39422188, 78844376]

約数ペア:

[(1, 78844376), (2, 39422188), (4, 19711094), (8, 9855547), (13, 6064952), (19, 4149704), (26, 3032476), (38, 2074852), (52, 1516238), (76, 1037426), (104, 758119), (152, 518713), (247, 319208), (494, 159604), (988, 79802), (1976, 39901)]