498340990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{27701}}^1$

素因数の和:27972

約数の個数: 32

約数和(自身を含む): 1029184704

約数和(自身を除く): 530843714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 8995, 17990, 27701, 55402, 138505, 193907, 277010, 387814, 969535, 1939070, 7119157, 14238314, 35595785, 49834099, 71191570, 99668198, 249170495, 498340990]

約数ペア:

[(1, 498340990), (2, 249170495), (5, 99668198), (7, 71191570), (10, 49834099), (14, 35595785), (35, 14238314), (70, 7119157), (257, 1939070), (514, 969535), (1285, 387814), (1799, 277010), (2570, 193907), (3598, 138505), (8995, 55402), (17990, 27701)]