421091244

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{556999}}^1$

素因数の和:557019

約数の個数: 48

約数和(自身を含む): 1247680000

約数和(自身を除く): 826588756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 556999, 1113998, 1670997, 2227996, 3341994, 3898993, 5012991, 6683988, 7797986, 10025982, 11696979, 15038973, 15595972, 20051964, 23393958, 30077946, 35090937, 46787916, 60155892, 70181874, 105272811, 140363748, 210545622, 421091244]

約数ペア:

[(1, 421091244), (2, 210545622), (3, 140363748), (4, 105272811), (6, 70181874), (7, 60155892), (9, 46787916), (12, 35090937), (14, 30077946), (18, 23393958), (21, 20051964), (27, 15595972), (28, 15038973), (36, 11696979), (42, 10025982), (54, 7797986), (63, 6683988), (84, 5012991), (108, 3898993), (126, 3341994), (189, 2227996), (252, 1670997), (378, 1113998), (756, 556999)]