129519292

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{20743}}^1$

素因数の和:20977

約数の個数: 24

約数和(自身を含む): 260212736

約数和(自身を除く): 130693444

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 20743, 41486, 82972, 145201, 290402, 580804, 4625689, 9251378, 18502756, 32379823, 64759646, 129519292]

約数ペア:

[(1, 129519292), (2, 64759646), (4, 32379823), (7, 18502756), (14, 9251378), (28, 4625689), (223, 580804), (446, 290402), (892, 145201), (1561, 82972), (3122, 41486), (6244, 20743)]