217894866

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 511488000

約数和(自身を除く): 293593134

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 239, 294, 343, 443, 478, 686, 717, 886, 1029, 1329, 1434, 1673, 2058, 2658, 3101, 3346, 5019, 6202, 9303, 10038, 11711, 18606, 21707, 23422, 35133, 43414, 65121, 70266, 81977, 105877, 130242, 151949, 163954, 211754, 245931, 303898, 317631, 455847, 491862, 635262, 741139, 911694, 1482278, 2223417, 4446834, 5187973, 10375946, 15563919, 31127838, 36315811, 72631622, 108947433, 217894866]

約数ペア:

[(1, 217894866), (2, 108947433), (3, 72631622), (6, 36315811), (7, 31127838), (14, 15563919), (21, 10375946), (42, 5187973), (49, 4446834), (98, 2223417), (147, 1482278), (239, 911694), (294, 741139), (343, 635262), (443, 491862), (478, 455847), (686, 317631), (717, 303898), (886, 245931), (1029, 211754), (1329, 163954), (1434, 151949), (1673, 130242), (2058, 105877), (2658, 81977), (3101, 70266), (3346, 65121), (5019, 43414), (6202, 35133), (9303, 23422), (10038, 21707), (11711, 18606)]