681006176

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{953}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 1360228464

約数和(自身を除く): 679222288

約数列:

[1, 2, 4, 8, 16, 32, 137, 163, 274, 326, 548, 652, 953, 1096, 1304, 1906, 2192, 2608, 3812, 4384, 5216, 7624, 15248, 22331, 30496, 44662, 89324, 130561, 155339, 178648, 261122, 310678, 357296, 522244, 621356, 714592, 1044488, 1242712, 2088976, 2485424, 4177952, 4970848, 21281443, 42562886, 85125772, 170251544, 340503088, 681006176]

約数ペア:

[(1, 681006176), (2, 340503088), (4, 170251544), (8, 85125772), (16, 42562886), (32, 21281443), (137, 4970848), (163, 4177952), (274, 2485424), (326, 2088976), (548, 1242712), (652, 1044488), (953, 714592), (1096, 621356), (1304, 522244), (1906, 357296), (2192, 310678), (2608, 261122), (3812, 178648), (4384, 155339), (5216, 130561), (7624, 89324), (15248, 44662), (22331, 30496)]