1989531032710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1\times {\mathrm{373717}}^1$

素因数の和:375089

約数の個数: 64

約数和(自身を含む): 3984061100544

約数和(自身を除く): 1994530067834

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 1321, 2015, 2642, 4030, 6605, 13210, 17173, 34346, 40951, 81902, 85865, 171730, 204755, 373717, 409510, 532363, 747434, 1064726, 1868585, 2661815, 3737170, 4858321, 5323630, 9716642, 11585227, 23170454, 24291605, 48583210, 57926135, 115852270, 150607951, 301215902, 493680157, 753039755, 987360314, 1506079510, 2468400785, 4936801570, 6417842041, 12835684082, 15304084867, 30608169734, 32089210205, 64178420410, 76520424335, 153040848670, 198953103271, 397906206542, 994765516355, 1989531032710]

約数ペア:

[(1, 1989531032710), (2, 994765516355), (5, 397906206542), (10, 198953103271), (13, 153040848670), (26, 76520424335), (31, 64178420410), (62, 32089210205), (65, 30608169734), (130, 15304084867), (155, 12835684082), (310, 6417842041), (403, 4936801570), (806, 2468400785), (1321, 1506079510), (2015, 987360314), (2642, 753039755), (4030, 493680157), (6605, 301215902), (13210, 150607951), (17173, 115852270), (34346, 57926135), (40951, 48583210), (81902, 24291605), (85865, 23170454), (171730, 11585227), (204755, 9716642), (373717, 5323630), (409510, 4858321), (532363, 3737170), (747434, 2661815), (1064726, 1868585)]