42390649

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 49392000

約数和(自身を除く): 7001351

約数列:

[1, 7, 97, 149, 419, 679, 1043, 2933, 14453, 40643, 62431, 101171, 284501, 437017, 6055807, 42390649]

約数ペア:

[(1, 42390649), (7, 6055807), (97, 437017), (149, 284501), (419, 101171), (679, 62431), (1043, 40643), (2933, 14453)]