168521520475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{247999}}^1$

素因数の和:248380

約数の個数: 48

約数和(自身を含む): 261268992000

約数和(自身を除く): 92747471525

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 353, 385, 1765, 1925, 2471, 3883, 8825, 12355, 19415, 27181, 61775, 97075, 135905, 247999, 679525, 1239995, 1735993, 2727989, 6199975, 8679965, 13639945, 19095923, 43399825, 68199725, 87543647, 95479615, 437718235, 477398075, 612805529, 962980117, 2188591175, 3064027645, 4814900585, 6740860819, 15320138225, 24074502925, 33704304095, 168521520475]

約数ペア:

[(1, 168521520475), (5, 33704304095), (7, 24074502925), (11, 15320138225), (25, 6740860819), (35, 4814900585), (55, 3064027645), (77, 2188591175), (175, 962980117), (275, 612805529), (353, 477398075), (385, 437718235), (1765, 95479615), (1925, 87543647), (2471, 68199725), (3883, 43399825), (8825, 19095923), (12355, 13639945), (19415, 8679965), (27181, 6199975), (61775, 2727989), (97075, 1735993), (135905, 1239995), (247999, 679525)]