78874342

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{4339}}^1$

素因数の和:4551

約数の個数: 16

約数和(自身を含む): 121086000

約数和(自身を除く): 42211658

約数列:

[1, 2, 61, 122, 149, 298, 4339, 8678, 9089, 18178, 264679, 529358, 646511, 1293022, 39437171, 78874342]

約数ペア:

[(1, 78874342), (2, 39437171), (61, 1293022), (122, 646511), (149, 529358), (298, 264679), (4339, 18178), (8678, 9089)]