78849890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1741}}^1$

素因数の和:2402

約数の個数: 32

約数和(自身を含む): 162549504

約数和(自身を除く): 83699614

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 647, 1294, 1741, 3235, 3482, 4529, 6470, 8705, 9058, 12187, 17410, 22645, 24374, 45290, 60935, 121870, 1126427, 2252854, 5632135, 7884989, 11264270, 15769978, 39424945, 78849890]

約数ペア:

[(1, 78849890), (2, 39424945), (5, 15769978), (7, 11264270), (10, 7884989), (14, 5632135), (35, 2252854), (70, 1126427), (647, 121870), (1294, 60935), (1741, 45290), (3235, 24374), (3482, 22645), (4529, 17410), (6470, 12187), (8705, 9058)]