213680628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4261}}^1$

素因数の和:4477

約数の個数: 72

約数和(自身を含む): 620547200

約数和(自身を除く): 406866572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 796, 1194, 1393, 1791, 2388, 2786, 3582, 4179, 4261, 5572, 7164, 8358, 8522, 12537, 12783, 16716, 17044, 25074, 25566, 29827, 38349, 50148, 51132, 59654, 76698, 89481, 119308, 153396, 178962, 268443, 357924, 536886, 847939, 1073772, 1695878, 2543817, 3391756, 5087634, 5935573, 7631451, 10175268, 11871146, 15262902, 17806719, 23742292, 30525804, 35613438, 53420157, 71226876, 106840314, 213680628]

約数ペア:

[(1, 213680628), (2, 106840314), (3, 71226876), (4, 53420157), (6, 35613438), (7, 30525804), (9, 23742292), (12, 17806719), (14, 15262902), (18, 11871146), (21, 10175268), (28, 7631451), (36, 5935573), (42, 5087634), (63, 3391756), (84, 2543817), (126, 1695878), (199, 1073772), (252, 847939), (398, 536886), (597, 357924), (796, 268443), (1194, 178962), (1393, 153396), (1791, 119308), (2388, 89481), (2786, 76698), (3582, 59654), (4179, 51132), (4261, 50148), (5572, 38349), (7164, 29827), (8358, 25566), (8522, 25074), (12537, 17044), (12783, 16716)]