681988778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{478253}}^1$

素因数の和:478309

約数の個数: 16

約数和(自身を含む): 1101897216

約数和(自身を除く): 419908438

約数列:

[1, 2, 23, 31, 46, 62, 713, 1426, 478253, 956506, 10999819, 14825843, 21999638, 29651686, 340994389, 681988778]

約数ペア:

[(1, 681988778), (2, 340994389), (23, 29651686), (31, 21999638), (46, 14825843), (62, 10999819), (713, 956506), (1426, 478253)]