78875636

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 163172352

約数和(自身を除く): 84296716

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 127, 164, 254, 287, 508, 541, 574, 889, 1082, 1148, 1778, 2164, 3556, 3787, 5207, 7574, 10414, 15148, 20828, 22181, 36449, 44362, 68707, 72898, 88724, 137414, 145796, 155267, 274828, 310534, 480949, 621068, 961898, 1923796, 2816987, 5633974, 11267948, 19718909, 39437818, 78875636]

約数ペア:

[(1, 78875636), (2, 39437818), (4, 19718909), (7, 11267948), (14, 5633974), (28, 2816987), (41, 1923796), (82, 961898), (127, 621068), (164, 480949), (254, 310534), (287, 274828), (508, 155267), (541, 145796), (574, 137414), (889, 88724), (1082, 72898), (1148, 68707), (1778, 44362), (2164, 36449), (3556, 22181), (3787, 20828), (5207, 15148), (7574, 10414)]