28609476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{809}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 76567680

約数和(自身を除く): 47958204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 421, 809, 842, 1263, 1618, 1684, 2427, 2526, 2947, 3236, 4854, 5052, 5663, 5894, 8841, 9708, 11326, 11788, 16989, 17682, 22652, 33978, 35364, 67956, 340589, 681178, 1021767, 1362356, 2043534, 2384123, 4087068, 4768246, 7152369, 9536492, 14304738, 28609476]

約数ペア:

[(1, 28609476), (2, 14304738), (3, 9536492), (4, 7152369), (6, 4768246), (7, 4087068), (12, 2384123), (14, 2043534), (21, 1362356), (28, 1021767), (42, 681178), (84, 340589), (421, 67956), (809, 35364), (842, 33978), (1263, 22652), (1618, 17682), (1684, 16989), (2427, 11788), (2526, 11326), (2947, 9708), (3236, 8841), (4854, 5894), (5052, 5663)]