645307663

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8831}}^1$

素因数の和:8935

約数の個数: 32

約数和(自身を含む): 878395392

約数和(自身を除く): 233087729

約数列:

[1, 7, 11, 13, 73, 77, 91, 143, 511, 803, 949, 1001, 5621, 6643, 8831, 10439, 61817, 73073, 97141, 114803, 644663, 679987, 803621, 1262833, 4512641, 7091293, 8380619, 8839831, 49639051, 58664333, 92186809, 645307663]

約数ペア:

[(1, 645307663), (7, 92186809), (11, 58664333), (13, 49639051), (73, 8839831), (77, 8380619), (91, 7091293), (143, 4512641), (511, 1262833), (803, 803621), (949, 679987), (1001, 644663), (5621, 114803), (6643, 97141), (8831, 73073), (10439, 61817)]