30554768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 61380000

約数和(自身を除く): 30825232

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 499, 688, 712, 998, 1424, 1996, 3827, 3992, 7654, 7984, 15308, 21457, 30616, 42914, 44411, 61232, 85828, 88822, 171656, 177644, 343312, 355288, 710576, 1909673, 3819346, 7638692, 15277384, 30554768]

約数ペア:

[(1, 30554768), (2, 15277384), (4, 7638692), (8, 3819346), (16, 1909673), (43, 710576), (86, 355288), (89, 343312), (172, 177644), (178, 171656), (344, 88822), (356, 85828), (499, 61232), (688, 44411), (712, 42914), (998, 30616), (1424, 21457), (1996, 15308), (3827, 7984), (3992, 7654)]