31800904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 62519040

約数和(自身を除く): 30718136

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 401, 431, 802, 862, 1604, 1724, 3208, 3448, 9223, 9913, 18446, 19826, 36892, 39652, 73784, 79304, 172831, 345662, 691324, 1382648, 3975113, 7950226, 15900452, 31800904]

約数ペア:

[(1, 31800904), (2, 15900452), (4, 7950226), (8, 3975113), (23, 1382648), (46, 691324), (92, 345662), (184, 172831), (401, 79304), (431, 73784), (802, 39652), (862, 36892), (1604, 19826), (1724, 18446), (3208, 9913), (3448, 9223)]