256823714

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 445464576

約数和(自身を除く): 188640862

約数列:

[1, 2, 7, 14, 211, 227, 383, 422, 454, 766, 1477, 1589, 2681, 2954, 3178, 5362, 47897, 80813, 86941, 95794, 161626, 173882, 335279, 565691, 608587, 670558, 1131382, 1217174, 18344551, 36689102, 128411857, 256823714]

約数ペア:

[(1, 256823714), (2, 128411857), (7, 36689102), (14, 18344551), (211, 1217174), (227, 1131382), (383, 670558), (422, 608587), (454, 565691), (766, 335279), (1477, 173882), (1589, 161626), (2681, 95794), (2954, 86941), (3178, 80813), (5362, 47897)]