1209870838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{401417}}^1$

素因数の和:401567

約数の個数: 16

約数和(自身を含む): 1994244624

約数和(自身を除く): 784373786

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 401417, 802834, 4415587, 8831174, 54994129, 109988258, 604935419, 1209870838]

約数ペア:

[(1, 1209870838), (2, 604935419), (11, 109988258), (22, 54994129), (137, 8831174), (274, 4415587), (1507, 802834), (3014, 401417)]