1645366978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{71333}}^1$

素因数の和:71961

約数の個数: 16

約数和(自身を含む): 2602264320

約数和(自身を除く): 956897342

約数列:

[1, 2, 19, 38, 607, 1214, 11533, 23066, 71333, 142666, 1355327, 2710654, 43299131, 86598262, 822683489, 1645366978]

約数ペア:

[(1, 1645366978), (2, 822683489), (19, 86598262), (38, 43299131), (607, 2710654), (1214, 1355327), (11533, 142666), (23066, 71333)]