157220539

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 195526656

約数和(自身を除く): 38306117

約数列:

[1, 7, 17, 101, 103, 119, 127, 707, 721, 889, 1717, 1751, 2159, 10403, 12019, 12257, 12827, 13081, 15113, 72821, 89789, 91567, 176851, 218059, 222377, 1237957, 1321181, 1526413, 1556639, 9248267, 22460077, 157220539]

約数ペア:

[(1, 157220539), (7, 22460077), (17, 9248267), (101, 1556639), (103, 1526413), (119, 1321181), (127, 1237957), (707, 222377), (721, 218059), (889, 176851), (1717, 91567), (1751, 89789), (2159, 72821), (10403, 15113), (12019, 13081), (12257, 12827)]