81644990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{3461}}^1$

素因数の和:3812

約数の個数: 32

約数和(自身を含む): 168502464

約数和(自身を除く): 86857474

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 337, 674, 1685, 2359, 3370, 3461, 4718, 6922, 11795, 17305, 23590, 24227, 34610, 48454, 121135, 242270, 1166357, 2332714, 5831785, 8164499, 11663570, 16328998, 40822495, 81644990]

約数ペア:

[(1, 81644990), (2, 40822495), (5, 16328998), (7, 11663570), (10, 8164499), (14, 5831785), (35, 2332714), (70, 1166357), (337, 242270), (674, 121135), (1685, 48454), (2359, 34610), (3370, 24227), (3461, 23590), (4718, 17305), (6922, 11795)]