172118090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 315463680

約数和(自身を除く): 143345590

約数列:

[1, 2, 5, 10, 79, 158, 223, 395, 446, 790, 977, 1115, 1954, 2230, 4885, 9770, 17617, 35234, 77183, 88085, 154366, 176170, 217871, 385915, 435742, 771830, 1089355, 2178710, 17211809, 34423618, 86059045, 172118090]

約数ペア:

[(1, 172118090), (2, 86059045), (5, 34423618), (10, 17211809), (79, 2178710), (158, 1089355), (223, 771830), (395, 435742), (446, 385915), (790, 217871), (977, 176170), (1115, 154366), (1954, 88085), (2230, 77183), (4885, 35234), (9770, 17617)]