163921978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{256931}}^1$

素因数の和:256973

約数の個数: 16

約数和(自身を含む): 277486560

約数和(自身を除く): 113564582

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 256931, 513862, 2826241, 5652482, 7450999, 14901998, 81960989, 163921978]

約数ペア:

[(1, 163921978), (2, 81960989), (11, 14901998), (22, 7450999), (29, 5652482), (58, 2826241), (319, 513862), (638, 256931)]