678697916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{677}}^1\times {\mathrm{1483}}^1$

素因数の和:2190

約数の個数: 36

約数和(自身を含む): 1288880712

約数和(自身を除く): 610182796

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 677, 1354, 1483, 2708, 2966, 5932, 8801, 17602, 19279, 35204, 38558, 77116, 114413, 228826, 250627, 457652, 501254, 1002508, 1003991, 2007982, 4015964, 13051883, 26103766, 52207532, 169674479, 339348958, 678697916]

約数ペア:

[(1, 678697916), (2, 339348958), (4, 169674479), (13, 52207532), (26, 26103766), (52, 13051883), (169, 4015964), (338, 2007982), (676, 1003991), (677, 1002508), (1354, 501254), (1483, 457652), (2708, 250627), (2966, 228826), (5932, 114413), (8801, 77116), (17602, 38558), (19279, 35204)]