81939572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4680

約数の個数: 48

約数和(自身を含む): 173935104

約数和(自身を除く): 91995532

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1612, 4433, 4621, 8866, 9242, 17732, 18484, 50831, 60073, 101662, 120146, 143251, 203324, 240292, 286502, 573004, 660803, 1321606, 1575761, 1862263, 2643212, 3151522, 3724526, 6303044, 7449052, 20484893, 40969786, 81939572]

約数ペア:

[(1, 81939572), (2, 40969786), (4, 20484893), (11, 7449052), (13, 6303044), (22, 3724526), (26, 3151522), (31, 2643212), (44, 1862263), (52, 1575761), (62, 1321606), (124, 660803), (143, 573004), (286, 286502), (341, 240292), (403, 203324), (572, 143251), (682, 120146), (806, 101662), (1364, 60073), (1612, 50831), (4433, 18484), (4621, 17732), (8866, 9242)]