1315259570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{19889}}^1$

素因数の和:20302

約数の個数: 32

約数和(自身を含む): 2513300400

約数和(自身を除く): 1198040830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 389, 778, 1945, 3890, 6613, 13226, 19889, 33065, 39778, 66130, 99445, 198890, 338113, 676226, 1690565, 3381130, 7736821, 15473642, 38684105, 77368210, 131525957, 263051914, 657629785, 1315259570]

約数ペア:

[(1, 1315259570), (2, 657629785), (5, 263051914), (10, 131525957), (17, 77368210), (34, 38684105), (85, 15473642), (170, 7736821), (389, 3381130), (778, 1690565), (1945, 676226), (3890, 338113), (6613, 198890), (13226, 99445), (19889, 66130), (33065, 39778)]