1991077096

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{62581}}^1$

素因数の和:62725

約数の個数: 32

約数和(自身を含む): 3863812680

約数和(自身を除く): 1872735584

約数列:

[1, 2, 4, 8, 41, 82, 97, 164, 194, 328, 388, 776, 3977, 7954, 15908, 31816, 62581, 125162, 250324, 500648, 2565821, 5131642, 6070357, 10263284, 12140714, 20526568, 24281428, 48562856, 248884637, 497769274, 995538548, 1991077096]

約数ペア:

[(1, 1991077096), (2, 995538548), (4, 497769274), (8, 248884637), (41, 48562856), (82, 24281428), (97, 20526568), (164, 12140714), (194, 10263284), (328, 6070357), (388, 5131642), (776, 2565821), (3977, 500648), (7954, 250324), (15908, 125162), (31816, 62581)]