201572189

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 257300736

約数和(自身を除く): 55728547

約数列:

[1, 7, 13, 37, 91, 131, 259, 457, 481, 917, 1703, 3199, 3367, 4847, 5941, 11921, 16909, 33929, 41587, 59867, 63011, 118363, 219817, 419069, 441077, 778271, 1538719, 2215079, 5447897, 15505553, 28796027, 201572189]

約数ペア:

[(1, 201572189), (7, 28796027), (13, 15505553), (37, 5447897), (91, 2215079), (131, 1538719), (259, 778271), (457, 441077), (481, 419069), (917, 219817), (1703, 118363), (3199, 63011), (3367, 59867), (4847, 41587), (5941, 33929), (11921, 16909)]