290803994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1889}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 487710720

約数和(自身を除く): 196906726

約数列:

[1, 2, 13, 26, 31, 62, 191, 382, 403, 806, 1889, 2483, 3778, 4966, 5921, 11842, 24557, 49114, 58559, 76973, 117118, 153946, 360799, 721598, 761267, 1522534, 4690387, 9380774, 11184769, 22369538, 145401997, 290803994]

約数ペア:

[(1, 290803994), (2, 145401997), (13, 22369538), (26, 11184769), (31, 9380774), (62, 4690387), (191, 1522534), (382, 761267), (403, 721598), (806, 360799), (1889, 153946), (2483, 117118), (3778, 76973), (4966, 58559), (5921, 49114), (11842, 24557)]