1909142755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{7229}}^1$

素因数の和:7503

約数の個数: 32

約数和(自身を含む): 2623622400

約数和(自身を除く): 714479645

約数列:

[1, 5, 13, 17, 65, 85, 221, 239, 1105, 1195, 3107, 4063, 7229, 15535, 20315, 36145, 52819, 93977, 122893, 264095, 469885, 614465, 1597609, 1727731, 7988045, 8638655, 22460503, 29371427, 112302515, 146857135, 381828551, 1909142755]

約数ペア:

[(1, 1909142755), (5, 381828551), (13, 146857135), (17, 112302515), (65, 29371427), (85, 22460503), (221, 8638655), (239, 7988045), (1105, 1727731), (1195, 1597609), (3107, 614465), (4063, 469885), (7229, 264095), (15535, 122893), (20315, 93977), (36145, 52819)]