215280216

素因数分解:

$2^3\times 3^2\times {\mathrm{997}}^1\times {\mathrm{2999}}^1$

素因数の和:4008

約数の個数: 48

約数和(自身を含む): 583830000

約数和(自身を除く): 368549784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 997, 1994, 2991, 2999, 3988, 5982, 5998, 7976, 8973, 8997, 11964, 11996, 17946, 17994, 23928, 23992, 26991, 35892, 35988, 53982, 71784, 71976, 107964, 215928, 2990003, 5980006, 8970009, 11960012, 17940018, 23920024, 26910027, 35880036, 53820054, 71760072, 107640108, 215280216]

約数ペア:

[(1, 215280216), (2, 107640108), (3, 71760072), (4, 53820054), (6, 35880036), (8, 26910027), (9, 23920024), (12, 17940018), (18, 11960012), (24, 8970009), (36, 5980006), (72, 2990003), (997, 215928), (1994, 107964), (2991, 71976), (2999, 71784), (3988, 53982), (5982, 35988), (5998, 35892), (7976, 26991), (8973, 23992), (8997, 23928), (11964, 17994), (11996, 17946)]