1640287551

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{8161}}^1$

素因数の和:8751

約数の個数: 32

約数和(自身を含む): 2651539968

約数和(自身を除く): 1011252417

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 563, 1689, 3941, 8161, 9571, 11823, 24483, 28713, 57127, 66997, 138737, 171381, 200991, 416211, 971159, 2913477, 4594643, 13783929, 32162501, 78108931, 96487503, 234326793, 546762517, 1640287551]

約数ペア:

[(1, 1640287551), (3, 546762517), (7, 234326793), (17, 96487503), (21, 78108931), (51, 32162501), (119, 13783929), (357, 4594643), (563, 2913477), (1689, 971159), (3941, 416211), (8161, 200991), (9571, 171381), (11823, 138737), (24483, 66997), (28713, 57127)]