25657412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 51093504

約数和(自身を除く): 25436092

約数列:

[1, 2, 4, 11, 22, 43, 44, 71, 86, 142, 172, 191, 284, 382, 473, 764, 781, 946, 1562, 1892, 2101, 3053, 3124, 4202, 6106, 8213, 8404, 12212, 13561, 16426, 27122, 32852, 33583, 54244, 67166, 90343, 134332, 149171, 180686, 298342, 361372, 583123, 596684, 1166246, 2332492, 6414353, 12828706, 25657412]

約数ペア:

[(1, 25657412), (2, 12828706), (4, 6414353), (11, 2332492), (22, 1166246), (43, 596684), (44, 583123), (71, 361372), (86, 298342), (142, 180686), (172, 149171), (191, 134332), (284, 90343), (382, 67166), (473, 54244), (764, 33583), (781, 32852), (946, 27122), (1562, 16426), (1892, 13561), (2101, 12212), (3053, 8404), (3124, 8213), (4202, 6106)]