406968904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{13591}}^1$

素因数の和:13813

約数の個数: 32

約数和(自身を含む): 807364800

約数和(自身を除く): 400395896

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 788, 1576, 3743, 7486, 13591, 14972, 27182, 29944, 54364, 108728, 258229, 516458, 1032916, 2065832, 2677427, 5354854, 10709708, 21419416, 50871113, 101742226, 203484452, 406968904]

約数ペア:

[(1, 406968904), (2, 203484452), (4, 101742226), (8, 50871113), (19, 21419416), (38, 10709708), (76, 5354854), (152, 2677427), (197, 2065832), (394, 1032916), (788, 516458), (1576, 258229), (3743, 108728), (7486, 54364), (13591, 29944), (14972, 27182)]