977883426

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{829}}^1$

素因数の和:992

約数の個数: 72

約数和(自身を含む): 2317109340

約数和(自身を除く): 1339225914

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 829, 923, 1278, 1658, 1846, 2487, 2769, 4974, 5041, 5538, 7461, 8307, 10082, 10777, 14922, 15123, 16614, 21554, 30246, 32331, 45369, 58859, 64662, 65533, 90738, 96993, 117718, 131066, 176577, 193986, 196599, 353154, 393198, 529731, 589797, 765167, 1059462, 1179594, 1530334, 2295501, 4178989, 4591002, 6886503, 8357978, 12536967, 13773006, 25073934, 37610901, 54326857, 75221802, 108653714, 162980571, 325961142, 488941713, 977883426]

約数ペア:

[(1, 977883426), (2, 488941713), (3, 325961142), (6, 162980571), (9, 108653714), (13, 75221802), (18, 54326857), (26, 37610901), (39, 25073934), (71, 13773006), (78, 12536967), (117, 8357978), (142, 6886503), (213, 4591002), (234, 4178989), (426, 2295501), (639, 1530334), (829, 1179594), (923, 1059462), (1278, 765167), (1658, 589797), (1846, 529731), (2487, 393198), (2769, 353154), (4974, 196599), (5041, 193986), (5538, 176577), (7461, 131066), (8307, 117718), (10082, 96993), (10777, 90738), (14922, 65533), (15123, 64662), (16614, 58859), (21554, 45369), (30246, 32331)]