428209506

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 941601024

約数和(自身を除く): 513391518

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 223, 321, 446, 642, 669, 963, 997, 1338, 1926, 1994, 2007, 2991, 4014, 5982, 8973, 17946, 23861, 47722, 71583, 106679, 143166, 213358, 214749, 222331, 320037, 429498, 444662, 640074, 666993, 960111, 1333986, 1920222, 2000979, 4001958, 23789417, 47578834, 71368251, 142736502, 214104753, 428209506]

約数ペア:

[(1, 428209506), (2, 214104753), (3, 142736502), (6, 71368251), (9, 47578834), (18, 23789417), (107, 4001958), (214, 2000979), (223, 1920222), (321, 1333986), (446, 960111), (642, 666993), (669, 640074), (963, 444662), (997, 429498), (1338, 320037), (1926, 222331), (1994, 214749), (2007, 213358), (2991, 143166), (4014, 106679), (5982, 71583), (8973, 47722), (17946, 23861)]