156978528494

素因数分解:

$2^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1\times {\mathrm{444953}}^1$

素因数の和:445795

約数の個数: 16

約数和(自身を含む): 236590940880

約数和(自身を除く): 79612412386

約数列:

[1, 2, 419, 421, 838, 842, 176399, 352798, 444953, 889906, 186435307, 187325213, 372870614, 374650426, 78489264247, 156978528494]

約数ペア:

[(1, 156978528494), (2, 78489264247), (419, 374650426), (421, 372870614), (838, 187325213), (842, 186435307), (176399, 889906), (352798, 444953)]