861812856

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{307}}^2$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 2360142720

約数和(自身を除く): 1498329864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 307, 381, 508, 614, 762, 921, 1016, 1143, 1228, 1524, 1842, 2286, 2456, 2763, 3048, 3684, 4572, 5526, 7368, 9144, 11052, 22104, 38989, 77978, 94249, 116967, 155956, 188498, 233934, 282747, 311912, 350901, 376996, 467868, 565494, 701802, 753992, 848241, 935736, 1130988, 1403604, 1696482, 2261976, 2807208, 3392964, 6785928, 11969623, 23939246, 35908869, 47878492, 71817738, 95756984, 107726607, 143635476, 215453214, 287270952, 430906428, 861812856]

約数ペア:

[(1, 861812856), (2, 430906428), (3, 287270952), (4, 215453214), (6, 143635476), (8, 107726607), (9, 95756984), (12, 71817738), (18, 47878492), (24, 35908869), (36, 23939246), (72, 11969623), (127, 6785928), (254, 3392964), (307, 2807208), (381, 2261976), (508, 1696482), (614, 1403604), (762, 1130988), (921, 935736), (1016, 848241), (1143, 753992), (1228, 701802), (1524, 565494), (1842, 467868), (2286, 376996), (2456, 350901), (2763, 311912), (3048, 282747), (3684, 233934), (4572, 188498), (5526, 155956), (7368, 116967), (9144, 94249), (11052, 77978), (22104, 38989)]