1780324

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 3945088

約数和(自身を除く): 2164764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 73, 91, 134, 146, 182, 268, 292, 364, 469, 511, 871, 938, 949, 1022, 1742, 1876, 1898, 2044, 3484, 3796, 4891, 6097, 6643, 9782, 12194, 13286, 19564, 24388, 26572, 34237, 63583, 68474, 127166, 136948, 254332, 445081, 890162, 1780324]

約数ペア:

[(1, 1780324), (2, 890162), (4, 445081), (7, 254332), (13, 136948), (14, 127166), (26, 68474), (28, 63583), (52, 34237), (67, 26572), (73, 24388), (91, 19564), (134, 13286), (146, 12194), (182, 9782), (268, 6643), (292, 6097), (364, 4891), (469, 3796), (511, 3484), (871, 2044), (938, 1898), (949, 1876), (1022, 1742)]