81102138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2039

約数の個数: 64

約数和(自身を含む): 191020032

約数和(自身を除く): 109917894

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 527, 663, 806, 1054, 1209, 1326, 1581, 1973, 2418, 3162, 3946, 5919, 6851, 11838, 13702, 20553, 25649, 33541, 41106, 51298, 61163, 67082, 76947, 100623, 122326, 153894, 183489, 201246, 366978, 436033, 795119, 872066, 1039771, 1308099, 1590238, 2079542, 2385357, 2616198, 3119313, 4770714, 6238626, 13517023, 27034046, 40551069, 81102138]

約数ペア:

[(1, 81102138), (2, 40551069), (3, 27034046), (6, 13517023), (13, 6238626), (17, 4770714), (26, 3119313), (31, 2616198), (34, 2385357), (39, 2079542), (51, 1590238), (62, 1308099), (78, 1039771), (93, 872066), (102, 795119), (186, 436033), (221, 366978), (403, 201246), (442, 183489), (527, 153894), (663, 122326), (806, 100623), (1054, 76947), (1209, 67082), (1326, 61163), (1581, 51298), (1973, 41106), (2418, 33541), (3162, 25649), (3946, 20553), (5919, 13702), (6851, 11838)]