398331752

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{761}}^1$

素因数の和:1506

約数の個数: 64

約数和(自身を含む): 921715200

約数和(自身を除く): 523383448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 719, 728, 761, 1438, 1522, 2876, 3044, 5033, 5327, 5752, 6088, 9347, 9893, 10066, 10654, 18694, 19786, 20132, 21308, 37388, 39572, 40264, 42616, 65429, 69251, 74776, 79144, 130858, 138502, 261716, 277004, 523432, 547159, 554008, 1094318, 2188636, 3830113, 4377272, 7113067, 7660226, 14226134, 15320452, 28452268, 30640904, 49791469, 56904536, 99582938, 199165876, 398331752]

約数ペア:

[(1, 398331752), (2, 199165876), (4, 99582938), (7, 56904536), (8, 49791469), (13, 30640904), (14, 28452268), (26, 15320452), (28, 14226134), (52, 7660226), (56, 7113067), (91, 4377272), (104, 3830113), (182, 2188636), (364, 1094318), (719, 554008), (728, 547159), (761, 523432), (1438, 277004), (1522, 261716), (2876, 138502), (3044, 130858), (5033, 79144), (5327, 74776), (5752, 69251), (6088, 65429), (9347, 42616), (9893, 40264), (10066, 39572), (10654, 37388), (18694, 21308), (19786, 20132)]