639030858

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 1340426880

約数和(自身を除く): 701396022

約数列:

[1, 2, 3, 6, 53, 67, 89, 106, 134, 159, 178, 201, 267, 318, 337, 402, 534, 674, 1011, 2022, 3551, 4717, 5963, 7102, 9434, 10653, 11926, 14151, 17861, 17889, 21306, 22579, 28302, 29993, 35722, 35778, 45158, 53583, 59986, 67737, 89979, 107166, 135474, 179958, 316039, 632078, 948117, 1196687, 1589629, 1896234, 2009531, 2393374, 3179258, 3590061, 4019062, 4768887, 6028593, 7180122, 9537774, 12057186, 106505143, 213010286, 319515429, 639030858]

約数ペア:

[(1, 639030858), (2, 319515429), (3, 213010286), (6, 106505143), (53, 12057186), (67, 9537774), (89, 7180122), (106, 6028593), (134, 4768887), (159, 4019062), (178, 3590061), (201, 3179258), (267, 2393374), (318, 2009531), (337, 1896234), (402, 1589629), (534, 1196687), (674, 948117), (1011, 632078), (2022, 316039), (3551, 179958), (4717, 135474), (5963, 107166), (7102, 89979), (9434, 67737), (10653, 59986), (11926, 53583), (14151, 45158), (17861, 35778), (17889, 35722), (21306, 29993), (22579, 28302)]