78207890

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{28859}}^1$

素因数の和:29137

約数の個数: 16

約数和(自身を含む): 141298560

約数和(自身を除く): 63090670

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 28859, 57718, 144295, 288590, 7820789, 15641578, 39103945, 78207890]

約数ペア:

[(1, 78207890), (2, 39103945), (5, 15641578), (10, 7820789), (271, 288590), (542, 144295), (1355, 57718), (2710, 28859)]