31515614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{2153}}^1$

素因数の和:2731

約数の個数: 16

約数和(自身を含む): 51023952

約数和(自身を除く): 19508338

約数列:

[1, 2, 13, 26, 563, 1126, 2153, 4306, 7319, 14638, 27989, 55978, 1212139, 2424278, 15757807, 31515614]

約数ペア:

[(1, 31515614), (2, 15757807), (13, 2424278), (26, 1212139), (563, 55978), (1126, 27989), (2153, 14638), (4306, 7319)]