81744365

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 109347840

約数和(自身を除く): 27603475

約数列:

[1, 5, 19, 31, 41, 95, 155, 205, 589, 677, 779, 1271, 2945, 3385, 3895, 6355, 12863, 20987, 24149, 27757, 64315, 104935, 120745, 138785, 398753, 527383, 860467, 1993765, 2636915, 4302335, 16348873, 81744365]

約数ペア:

[(1, 81744365), (5, 16348873), (19, 4302335), (31, 2636915), (41, 1993765), (95, 860467), (155, 527383), (205, 398753), (589, 138785), (677, 120745), (779, 104935), (1271, 64315), (2945, 27757), (3385, 24149), (3895, 20987), (6355, 12863)]