681628

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 1290240

約数和(自身を除く): 608612

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 239, 478, 713, 956, 1426, 2852, 5497, 7409, 10994, 14818, 21988, 29636, 170407, 340814, 681628]

約数ペア:

[(1, 681628), (2, 340814), (4, 170407), (23, 29636), (31, 21988), (46, 14818), (62, 10994), (92, 7409), (124, 5497), (239, 2852), (478, 1426), (713, 956)]