1639001875

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22037}}^1$

素因数の和:22081

約数の個数: 40

約数和(自身を含む): 2478481632

約数和(自身を除く): 839479757

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 175, 425, 595, 625, 875, 2125, 2975, 4375, 10625, 14875, 22037, 74375, 110185, 154259, 374629, 550925, 771295, 1873145, 2622403, 2754625, 3856475, 9365725, 13112015, 13773125, 19282375, 46828625, 65560075, 96411875, 234143125, 327800375, 1639001875]

約数ペア:

[(1, 1639001875), (5, 327800375), (7, 234143125), (17, 96411875), (25, 65560075), (35, 46828625), (85, 19282375), (119, 13773125), (125, 13112015), (175, 9365725), (425, 3856475), (595, 2754625), (625, 2622403), (875, 1873145), (2125, 771295), (2975, 550925), (4375, 374629), (10625, 154259), (14875, 110185), (22037, 74375)]