688963964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{811}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 1422341424

約数和(自身を除く): 733377460

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 221, 403, 442, 527, 806, 811, 884, 961, 1054, 1612, 1622, 1922, 2108, 3244, 3844, 6851, 10543, 12493, 13702, 13787, 16337, 21086, 24986, 25141, 27404, 27574, 32674, 42172, 49972, 50282, 55148, 65348, 100564, 179231, 212381, 326833, 358462, 424762, 427397, 653666, 716924, 779371, 849524, 854794, 1307332, 1558742, 1709588, 3117484, 5556161, 10131823, 11112322, 13249307, 20263646, 22224644, 26498614, 40527292, 52997228, 172240991, 344481982, 688963964]

約数ペア:

[(1, 688963964), (2, 344481982), (4, 172240991), (13, 52997228), (17, 40527292), (26, 26498614), (31, 22224644), (34, 20263646), (52, 13249307), (62, 11112322), (68, 10131823), (124, 5556161), (221, 3117484), (403, 1709588), (442, 1558742), (527, 1307332), (806, 854794), (811, 849524), (884, 779371), (961, 716924), (1054, 653666), (1612, 427397), (1622, 424762), (1922, 358462), (2108, 326833), (3244, 212381), (3844, 179231), (6851, 100564), (10543, 65348), (12493, 55148), (13702, 50282), (13787, 49972), (16337, 42172), (21086, 32674), (24986, 27574), (25141, 27404)]