779832004

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1\times {\mathrm{823}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 1599904768

約数和(自身を除く): 820072764

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 787, 823, 1204, 1574, 1646, 3148, 3292, 5509, 5761, 11018, 11522, 22036, 23044, 33841, 35389, 67682, 70778, 135364, 141556, 236887, 247723, 473774, 495446, 647701, 947548, 990892, 1295402, 2590804, 4533907, 9067814, 18135628, 27851143, 55702286, 111404572, 194958001, 389916002, 779832004]

約数ペア:

[(1, 779832004), (2, 389916002), (4, 194958001), (7, 111404572), (14, 55702286), (28, 27851143), (43, 18135628), (86, 9067814), (172, 4533907), (301, 2590804), (602, 1295402), (787, 990892), (823, 947548), (1204, 647701), (1574, 495446), (1646, 473774), (3148, 247723), (3292, 236887), (5509, 141556), (5761, 135364), (11018, 70778), (11522, 67682), (22036, 35389), (23044, 33841)]