639646854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{22697}}^1$

素因数の和:22781

約数の個数: 64

約数和(自身を含む): 1621181952

約数和(自身を除く): 981535098

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 61, 66, 77, 122, 154, 183, 231, 366, 427, 462, 671, 854, 1281, 1342, 2013, 2562, 4026, 4697, 9394, 14091, 22697, 28182, 45394, 68091, 136182, 158879, 249667, 317758, 476637, 499334, 749001, 953274, 1384517, 1498002, 1747669, 2769034, 3495338, 4153551, 5243007, 8307102, 9691619, 10486014, 15229687, 19383238, 29074857, 30459374, 45689061, 58149714, 91378122, 106607809, 213215618, 319823427, 639646854]

約数ペア:

[(1, 639646854), (2, 319823427), (3, 213215618), (6, 106607809), (7, 91378122), (11, 58149714), (14, 45689061), (21, 30459374), (22, 29074857), (33, 19383238), (42, 15229687), (61, 10486014), (66, 9691619), (77, 8307102), (122, 5243007), (154, 4153551), (183, 3495338), (231, 2769034), (366, 1747669), (427, 1498002), (462, 1384517), (671, 953274), (854, 749001), (1281, 499334), (1342, 476637), (2013, 317758), (2562, 249667), (4026, 158879), (4697, 136182), (9394, 68091), (14091, 45394), (22697, 28182)]