16508778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 22972566

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 271, 286, 426, 429, 542, 781, 813, 858, 923, 1562, 1626, 1846, 2343, 2769, 2981, 3523, 4686, 5538, 5962, 7046, 8943, 10153, 10569, 17886, 19241, 20306, 21138, 30459, 38482, 38753, 57723, 60918, 77506, 115446, 116259, 211651, 232518, 250133, 423302, 500266, 634953, 750399, 1269906, 1500798, 2751463, 5502926, 8254389, 16508778]

約数ペア:

[(1, 16508778), (2, 8254389), (3, 5502926), (6, 2751463), (11, 1500798), (13, 1269906), (22, 750399), (26, 634953), (33, 500266), (39, 423302), (66, 250133), (71, 232518), (78, 211651), (142, 116259), (143, 115446), (213, 77506), (271, 60918), (286, 57723), (426, 38753), (429, 38482), (542, 30459), (781, 21138), (813, 20306), (858, 19241), (923, 17886), (1562, 10569), (1626, 10153), (1846, 8943), (2343, 7046), (2769, 5962), (2981, 5538), (3523, 4686)]