78593890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{719}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 150232320

約数和(自身を除く): 71638430

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 643, 719, 1286, 1438, 3215, 3595, 6430, 7190, 10931, 12223, 21862, 24446, 54655, 61115, 109310, 122230, 462317, 924634, 2311585, 4623170, 7859389, 15718778, 39296945, 78593890]

約数ペア:

[(1, 78593890), (2, 39296945), (5, 15718778), (10, 7859389), (17, 4623170), (34, 2311585), (85, 924634), (170, 462317), (643, 122230), (719, 109310), (1286, 61115), (1438, 54655), (3215, 24446), (3595, 21862), (6430, 12223), (7190, 10931)]