78388398

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 204492288

約数和(自身を除く): 126103890

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 43, 54, 62, 66, 81, 86, 93, 99, 121, 129, 162, 186, 198, 242, 243, 258, 279, 297, 341, 363, 387, 473, 486, 558, 594, 682, 726, 774, 837, 891, 946, 1023, 1089, 1161, 1333, 1419, 1674, 1782, 2046, 2178, 2322, 2511, 2666, 2673, 2838, 3069, 3267, 3483, 3751, 3999, 4257, 5022, 5203, 5346, 6138, 6534, 6966, 7502, 7533, 7998, 8514, 9207, 9801, 10406, 10449, 11253, 11997, 12771, 14663, 15066, 15609, 18414, 19602, 20898, 22506, 23994, 25542, 27621, 29326, 29403, 31218, 33759, 35991, 38313, 43989, 46827, 55242, 58806, 67518, 71982, 76626, 82863, 87978, 93654, 101277, 107973, 114939, 131967, 140481, 161293, 165726, 202554, 215946, 229878, 263934, 280962, 303831, 322586, 323919, 395901, 421443, 483879, 607662, 647838, 791802, 842886, 911493, 967758, 1187703, 1264329, 1451637, 1822986, 2375406, 2528658, 2903274, 3563109, 4354911, 7126218, 8709822, 13064733, 26129466, 39194199, 78388398]

約数ペア:

[(1, 78388398), (2, 39194199), (3, 26129466), (6, 13064733), (9, 8709822), (11, 7126218), (18, 4354911), (22, 3563109), (27, 2903274), (31, 2528658), (33, 2375406), (43, 1822986), (54, 1451637), (62, 1264329), (66, 1187703), (81, 967758), (86, 911493), (93, 842886), (99, 791802), (121, 647838), (129, 607662), (162, 483879), (186, 421443), (198, 395901), (242, 323919), (243, 322586), (258, 303831), (279, 280962), (297, 263934), (341, 229878), (363, 215946), (387, 202554), (473, 165726), (486, 161293), (558, 140481), (594, 131967), (682, 114939), (726, 107973), (774, 101277), (837, 93654), (891, 87978), (946, 82863), (1023, 76626), (1089, 71982), (1161, 67518), (1333, 58806), (1419, 55242), (1674, 46827), (1782, 43989), (2046, 38313), (2178, 35991), (2322, 33759), (2511, 31218), (2666, 29403), (2673, 29326), (2838, 27621), (3069, 25542), (3267, 23994), (3483, 22506), (3751, 20898), (3999, 19602), (4257, 18414), (5022, 15609), (5203, 15066), (5346, 14663), (6138, 12771), (6534, 11997), (6966, 11253), (7502, 10449), (7533, 10406), (7998, 9801), (8514, 9207)]