80787718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 135136512

約数和(自身を除く): 54348794

約数列:

[1, 2, 11, 22, 83, 151, 166, 293, 302, 586, 913, 1661, 1826, 3223, 3322, 6446, 12533, 24319, 25066, 44243, 48638, 88486, 137863, 267509, 275726, 486673, 535018, 973346, 3672169, 7344338, 40393859, 80787718]

約数ペア:

[(1, 80787718), (2, 40393859), (11, 7344338), (22, 3672169), (83, 973346), (151, 535018), (166, 486673), (293, 275726), (302, 267509), (586, 137863), (913, 88486), (1661, 48638), (1826, 44243), (3223, 25066), (3322, 24319), (6446, 12533)]