639782416

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{62773}}^1$

素因数の和:62808

約数の個数: 60

約数和(自身を含む): 1552903212

約数和(自身を除く): 913120796

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 62773, 125546, 251092, 439411, 502184, 816049, 878822, 1004368, 1632098, 1757644, 3075877, 3264196, 3515288, 5712343, 6151754, 6528392, 7030576, 11424686, 12303508, 13056784, 22849372, 24607016, 39986401, 45698744, 49214032, 79972802, 91397488, 159945604, 319891208, 639782416]

約数ペア:

[(1, 639782416), (2, 319891208), (4, 159945604), (7, 91397488), (8, 79972802), (13, 49214032), (14, 45698744), (16, 39986401), (26, 24607016), (28, 22849372), (49, 13056784), (52, 12303508), (56, 11424686), (91, 7030576), (98, 6528392), (104, 6151754), (112, 5712343), (182, 3515288), (196, 3264196), (208, 3075877), (364, 1757644), (392, 1632098), (637, 1004368), (728, 878822), (784, 816049), (1274, 502184), (1456, 439411), (2548, 251092), (5096, 125546), (10192, 62773)]