8721972

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 26342400

約数和(自身を除く): 17620428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 83, 84, 108, 126, 139, 166, 189, 249, 252, 278, 332, 378, 417, 498, 556, 581, 747, 756, 834, 973, 996, 1162, 1251, 1494, 1668, 1743, 1946, 2241, 2324, 2502, 2919, 2988, 3486, 3753, 3892, 4482, 5004, 5229, 5838, 6972, 7506, 8757, 8964, 10458, 11537, 11676, 15012, 15687, 17514, 20916, 23074, 26271, 31374, 34611, 35028, 46148, 52542, 62748, 69222, 80759, 103833, 105084, 138444, 161518, 207666, 242277, 311499, 323036, 415332, 484554, 622998, 726831, 969108, 1245996, 1453662, 2180493, 2907324, 4360986, 8721972]

約数ペア:

[(1, 8721972), (2, 4360986), (3, 2907324), (4, 2180493), (6, 1453662), (7, 1245996), (9, 969108), (12, 726831), (14, 622998), (18, 484554), (21, 415332), (27, 323036), (28, 311499), (36, 242277), (42, 207666), (54, 161518), (63, 138444), (83, 105084), (84, 103833), (108, 80759), (126, 69222), (139, 62748), (166, 52542), (189, 46148), (249, 35028), (252, 34611), (278, 31374), (332, 26271), (378, 23074), (417, 20916), (498, 17514), (556, 15687), (581, 15012), (747, 11676), (756, 11537), (834, 10458), (973, 8964), (996, 8757), (1162, 7506), (1251, 6972), (1494, 5838), (1668, 5229), (1743, 5004), (1946, 4482), (2241, 3892), (2324, 3753), (2502, 3486), (2919, 2988)]