128641768

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{1217}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 246060360

約数和(自身を除く): 117418592

約数列:

[1, 2, 4, 8, 73, 146, 181, 292, 362, 584, 724, 1217, 1448, 2434, 4868, 9736, 13213, 26426, 52852, 88841, 105704, 177682, 220277, 355364, 440554, 710728, 881108, 1762216, 16080221, 32160442, 64320884, 128641768]

約数ペア:

[(1, 128641768), (2, 64320884), (4, 32160442), (8, 16080221), (73, 1762216), (146, 881108), (181, 710728), (292, 440554), (362, 355364), (584, 220277), (724, 177682), (1217, 105704), (1448, 88841), (2434, 52852), (4868, 26426), (9736, 13213)]