16205121793

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1\times {\mathrm{1787}}^1$

素因数の和:3517

約数の個数: 32

約数和(自身を含む): 19993559040

約数和(自身を除く): 3788437247

約数列:

[1, 7, 19, 41, 133, 287, 779, 1663, 1787, 5453, 11641, 12509, 31597, 33953, 68183, 73267, 221179, 237671, 477281, 512869, 1295477, 1392073, 2971781, 9068339, 9744511, 20802467, 56463839, 121843021, 395246873, 852901147, 2315017399, 16205121793]

約数ペア:

[(1, 16205121793), (7, 2315017399), (19, 852901147), (41, 395246873), (133, 121843021), (287, 56463839), (779, 20802467), (1663, 9744511), (1787, 9068339), (5453, 2971781), (11641, 1392073), (12509, 1295477), (31597, 512869), (33953, 477281), (68183, 237671), (73267, 221179)]