66580990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3701}}^1$

素因数の和:3972

約数の個数: 32

約数和(自身を含む): 137536704

約数和(自身を除く): 70955714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 3701, 7402, 8995, 17990, 18505, 25907, 37010, 51814, 129535, 259070, 951157, 1902314, 4755785, 6658099, 9511570, 13316198, 33290495, 66580990]

約数ペア:

[(1, 66580990), (2, 33290495), (5, 13316198), (7, 9511570), (10, 6658099), (14, 4755785), (35, 1902314), (70, 951157), (257, 259070), (514, 129535), (1285, 51814), (1799, 37010), (2570, 25907), (3598, 18505), (3701, 17990), (7402, 8995)]