1620565499

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1979}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 2007244800

約数和(自身を除く): 386679301

約数列:

[1, 7, 19, 47, 131, 133, 329, 893, 917, 1979, 2489, 6157, 6251, 13853, 17423, 37601, 43099, 93013, 116983, 259249, 263207, 651091, 818881, 1767247, 1814743, 4925731, 12184703, 12370729, 34480117, 85292921, 231509357, 1620565499]

約数ペア:

[(1, 1620565499), (7, 231509357), (19, 85292921), (47, 34480117), (131, 12370729), (133, 12184703), (329, 4925731), (893, 1814743), (917, 1767247), (1979, 818881), (2489, 651091), (6157, 263207), (6251, 259249), (13853, 116983), (17423, 93013), (37601, 43099)]