28763946

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^2\times {\mathrm{317}}^1$

素因数の和:467

約数の個数: 36

約数和(自身を含む): 63411426

約数和(自身を除く): 34647480

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 317, 426, 634, 639, 951, 1278, 1902, 2853, 5041, 5706, 10082, 15123, 22507, 30246, 45014, 45369, 67521, 90738, 135042, 202563, 405126, 1597997, 3195994, 4793991, 9587982, 14381973, 28763946]

約数ペア:

[(1, 28763946), (2, 14381973), (3, 9587982), (6, 4793991), (9, 3195994), (18, 1597997), (71, 405126), (142, 202563), (213, 135042), (317, 90738), (426, 67521), (634, 45369), (639, 45014), (951, 30246), (1278, 22507), (1902, 15123), (2853, 10082), (5041, 5706)]