17217980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 22577860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1409, 2444, 2818, 3055, 5636, 6110, 7045, 12220, 14090, 18317, 28180, 36634, 66223, 73268, 91585, 132446, 183170, 264892, 331115, 366340, 662230, 860899, 1324460, 1721798, 3443596, 4304495, 8608990, 17217980]

約数ペア:

[(1, 17217980), (2, 8608990), (4, 4304495), (5, 3443596), (10, 1721798), (13, 1324460), (20, 860899), (26, 662230), (47, 366340), (52, 331115), (65, 264892), (94, 183170), (130, 132446), (188, 91585), (235, 73268), (260, 66223), (470, 36634), (611, 28180), (940, 18317), (1222, 14090), (1409, 12220), (2444, 7045), (2818, 6110), (3055, 5636)]