81872596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 163699200

約数和(自身を除く): 81826604

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 173, 247, 346, 479, 494, 692, 958, 988, 1916, 2249, 3287, 4498, 6227, 6574, 8996, 9101, 12454, 13148, 18202, 24908, 36404, 42731, 82867, 85462, 118313, 165734, 170924, 236626, 331468, 473252, 1077271, 1574473, 2154542, 3148946, 4309084, 6297892, 20468149, 40936298, 81872596]

約数ペア:

[(1, 81872596), (2, 40936298), (4, 20468149), (13, 6297892), (19, 4309084), (26, 3148946), (38, 2154542), (52, 1574473), (76, 1077271), (173, 473252), (247, 331468), (346, 236626), (479, 170924), (494, 165734), (692, 118313), (958, 85462), (988, 82867), (1916, 42731), (2249, 36404), (3287, 24908), (4498, 18202), (6227, 13148), (6574, 12454), (8996, 9101)]