978642

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{863}}^1$

素因数の和:884

約数の個数: 40

約数和(自身を含む): 2509056

約数和(自身を除く): 1530414

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 863, 1134, 1726, 2589, 5178, 6041, 7767, 12082, 15534, 18123, 23301, 36246, 46602, 54369, 69903, 108738, 139806, 163107, 326214, 489321, 978642]

約数ペア:

[(1, 978642), (2, 489321), (3, 326214), (6, 163107), (7, 139806), (9, 108738), (14, 69903), (18, 54369), (21, 46602), (27, 36246), (42, 23301), (54, 18123), (63, 15534), (81, 12082), (126, 7767), (162, 6041), (189, 5178), (378, 2589), (567, 1726), (863, 1134)]