156720076

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{135571}}^1$

素因数の和:135609

約数の個数: 18

約数和(自身を含む): 291344228

約数和(自身を除く): 134624152

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 135571, 271142, 542284, 2304707, 4609414, 9218828, 39180019, 78360038, 156720076]

約数ペア:

[(1, 156720076), (2, 78360038), (4, 39180019), (17, 9218828), (34, 4609414), (68, 2304707), (289, 542284), (578, 271142), (1156, 135571)]