81085408

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 164112480

約数和(自身を除く): 83027072

約数列:

[1, 2, 4, 8, 16, 32, 71, 89, 142, 178, 284, 356, 401, 568, 712, 802, 1136, 1424, 1604, 2272, 2848, 3208, 6319, 6416, 12638, 12832, 25276, 28471, 35689, 50552, 56942, 71378, 101104, 113884, 142756, 202208, 227768, 285512, 455536, 571024, 911072, 1142048, 2533919, 5067838, 10135676, 20271352, 40542704, 81085408]

約数ペア:

[(1, 81085408), (2, 40542704), (4, 20271352), (8, 10135676), (16, 5067838), (32, 2533919), (71, 1142048), (89, 911072), (142, 571024), (178, 455536), (284, 285512), (356, 227768), (401, 202208), (568, 142756), (712, 113884), (802, 101104), (1136, 71378), (1424, 56942), (1604, 50552), (2272, 35689), (2848, 28471), (3208, 25276), (6319, 12832), (6416, 12638)]