201978398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{38239}}^1$

素因数の和:38399

約数の個数: 16

約数和(自身を含む): 321216000

約数和(自身を除く): 119237602

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 38239, 76478, 726541, 1453082, 5315221, 10630442, 100989199, 201978398]

約数ペア:

[(1, 201978398), (2, 100989199), (19, 10630442), (38, 5315221), (139, 1453082), (278, 726541), (2641, 76478), (5282, 38239)]