81968744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 182226240

約数和(自身を除く): 100257496

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 137, 143, 274, 286, 523, 548, 572, 1046, 1096, 1144, 1507, 1781, 2092, 3014, 3562, 4184, 5753, 6028, 6799, 7124, 11506, 12056, 13598, 14248, 19591, 23012, 27196, 39182, 46024, 54392, 71651, 74789, 78364, 143302, 149578, 156728, 286604, 299156, 573208, 598312, 788161, 931463, 1576322, 1862926, 3152644, 3725852, 6305288, 7451704, 10246093, 20492186, 40984372, 81968744]

約数ペア:

[(1, 81968744), (2, 40984372), (4, 20492186), (8, 10246093), (11, 7451704), (13, 6305288), (22, 3725852), (26, 3152644), (44, 1862926), (52, 1576322), (88, 931463), (104, 788161), (137, 598312), (143, 573208), (274, 299156), (286, 286604), (523, 156728), (548, 149578), (572, 143302), (1046, 78364), (1096, 74789), (1144, 71651), (1507, 54392), (1781, 46024), (2092, 39182), (3014, 27196), (3562, 23012), (4184, 19591), (5753, 14248), (6028, 13598), (6799, 12056), (7124, 11506)]