156965403007

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 188141438016

約数和(自身を除く): 31176035009

約数列:

[1, 7, 31, 97, 217, 293, 679, 821, 961, 2051, 3007, 5747, 6727, 9083, 21049, 25451, 28421, 63581, 79637, 93217, 178157, 198947, 240553, 281573, 557459, 652519, 788981, 881051, 1683871, 1971011, 2468747, 5522867, 6167357, 7457143, 17281229, 23333641, 27312581, 52200001, 76531157, 163335487, 191188067, 231171433, 535718099, 723342871, 1618200031, 5063400097, 22423629001, 156965403007]

約数ペア:

[(1, 156965403007), (7, 22423629001), (31, 5063400097), (97, 1618200031), (217, 723342871), (293, 535718099), (679, 231171433), (821, 191188067), (961, 163335487), (2051, 76531157), (3007, 52200001), (5747, 27312581), (6727, 23333641), (9083, 17281229), (21049, 7457143), (25451, 6167357), (28421, 5522867), (63581, 2468747), (79637, 1971011), (93217, 1683871), (178157, 881051), (198947, 788981), (240553, 652519), (281573, 557459)]