81165752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{1289}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 161611200

約数和(自身を除く): 80445448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 463, 926, 1289, 1852, 2578, 3704, 5156, 7871, 10312, 15742, 21913, 31484, 43826, 62968, 87652, 175304, 596807, 1193614, 2387228, 4774456, 10145719, 20291438, 40582876, 81165752]

約数ペア:

[(1, 81165752), (2, 40582876), (4, 20291438), (8, 10145719), (17, 4774456), (34, 2387228), (68, 1193614), (136, 596807), (463, 175304), (926, 87652), (1289, 62968), (1852, 43826), (2578, 31484), (3704, 21913), (5156, 15742), (7871, 10312)]