128759618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{260647}}^1$

素因数の和:260681

約数の個数: 16

約数和(自身を含む): 218944320

約数和(自身を除く): 90184702

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 260647, 521294, 3388411, 4952293, 6776822, 9904586, 64379809, 128759618]

約数ペア:

[(1, 128759618), (2, 64379809), (13, 9904586), (19, 6776822), (26, 4952293), (38, 3388411), (247, 521294), (494, 260647)]