397415039

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 509443200

約数和(自身を除く): 112028161

約数列:

[1, 7, 19, 37, 49, 83, 133, 139, 259, 581, 703, 931, 973, 1577, 1813, 2641, 3071, 4067, 4921, 5143, 6811, 11039, 11537, 18487, 21497, 34447, 36001, 58349, 77273, 80759, 97717, 129409, 150479, 219203, 252007, 408443, 426869, 565313, 684019, 1534421, 2859101, 2988083, 4788133, 8110511, 10740947, 20916581, 56773577, 397415039]

約数ペア:

[(1, 397415039), (7, 56773577), (19, 20916581), (37, 10740947), (49, 8110511), (83, 4788133), (133, 2988083), (139, 2859101), (259, 1534421), (581, 684019), (703, 565313), (931, 426869), (973, 408443), (1577, 252007), (1813, 219203), (2641, 150479), (3071, 129409), (4067, 97717), (4921, 80759), (5143, 77273), (6811, 58349), (11039, 36001), (11537, 34447), (18487, 21497)]