80889588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{563}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 221309088

約数和(自身を除く): 140419500

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 307, 468, 563, 614, 921, 1126, 1228, 1689, 1842, 2252, 2763, 3378, 3684, 3991, 5067, 5526, 6756, 7319, 7982, 10134, 11052, 11973, 14638, 15964, 20268, 21957, 23946, 29276, 35919, 43914, 47892, 65871, 71838, 87828, 131742, 143676, 172841, 263484, 345682, 518523, 691364, 1037046, 1555569, 2074092, 2246933, 3111138, 4493866, 6222276, 6740799, 8987732, 13481598, 20222397, 26963196, 40444794, 80889588]

約数ペア:

[(1, 80889588), (2, 40444794), (3, 26963196), (4, 20222397), (6, 13481598), (9, 8987732), (12, 6740799), (13, 6222276), (18, 4493866), (26, 3111138), (36, 2246933), (39, 2074092), (52, 1555569), (78, 1037046), (117, 691364), (156, 518523), (234, 345682), (307, 263484), (468, 172841), (563, 143676), (614, 131742), (921, 87828), (1126, 71838), (1228, 65871), (1689, 47892), (1842, 43914), (2252, 35919), (2763, 29276), (3378, 23946), (3684, 21957), (3991, 20268), (5067, 15964), (5526, 14638), (6756, 11973), (7319, 11052), (7982, 10134)]