219955918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{1237}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 406816704

約数和(自身を除く): 186860786

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 977, 1237, 1954, 2474, 6839, 8659, 12701, 13678, 16081, 17318, 25402, 32162, 88907, 112567, 177814, 225134, 1208549, 2417098, 8459843, 15711137, 16919686, 31422274, 109977959, 219955918]

約数ペア:

[(1, 219955918), (2, 109977959), (7, 31422274), (13, 16919686), (14, 15711137), (26, 8459843), (91, 2417098), (182, 1208549), (977, 225134), (1237, 177814), (1954, 112567), (2474, 88907), (6839, 32162), (8659, 25402), (12701, 17318), (13678, 16081)]