978965514

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{262739}}^1$

素因数の和:262776

約数の個数: 40

約数和(自身を含む): 2288990880

約数和(自身を除く): 1310025366

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 262739, 525478, 788217, 1576434, 2364651, 4729302, 6042997, 7093953, 12085994, 14187906, 18128991, 21281859, 36257982, 42563718, 54386973, 108773946, 163160919, 326321838, 489482757, 978965514]

約数ペア:

[(1, 978965514), (2, 489482757), (3, 326321838), (6, 163160919), (9, 108773946), (18, 54386973), (23, 42563718), (27, 36257982), (46, 21281859), (54, 18128991), (69, 14187906), (81, 12085994), (138, 7093953), (162, 6042997), (207, 4729302), (414, 2364651), (621, 1576434), (1242, 788217), (1863, 525478), (3726, 262739)]