2001218908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{11519}}^1$

素因数の和:11806

約数の個数: 36

約数和(自身を含む): 3807336960

約数和(自身を除く): 1806118052

約数列:

[1, 2, 4, 13, 26, 52, 169, 257, 338, 514, 676, 1028, 3341, 6682, 11519, 13364, 23038, 43433, 46076, 86866, 149747, 173732, 299494, 598988, 1946711, 2960383, 3893422, 5920766, 7786844, 11841532, 38484979, 76969958, 153939916, 500304727, 1000609454, 2001218908]

約数ペア:

[(1, 2001218908), (2, 1000609454), (4, 500304727), (13, 153939916), (26, 76969958), (52, 38484979), (169, 11841532), (257, 7786844), (338, 5920766), (514, 3893422), (676, 2960383), (1028, 1946711), (3341, 598988), (6682, 299494), (11519, 173732), (13364, 149747), (23038, 86866), (43433, 46076)]