403955188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20939}}^1$

素因数の和:21016

約数の個数: 48

約数和(自身を含む): 886515840

約数和(自身を除く): 482560652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 9646, 19292, 20939, 41878, 83756, 146573, 272207, 293146, 544414, 586292, 1088828, 1109767, 1905449, 2219534, 3810898, 4439068, 7621796, 7768369, 14426971, 15536738, 28853942, 31073476, 57707884, 100988797, 201977594, 403955188]

約数ペア:

[(1, 403955188), (2, 201977594), (4, 100988797), (7, 57707884), (13, 31073476), (14, 28853942), (26, 15536738), (28, 14426971), (52, 7768369), (53, 7621796), (91, 4439068), (106, 3810898), (182, 2219534), (212, 1905449), (364, 1109767), (371, 1088828), (689, 586292), (742, 544414), (1378, 293146), (1484, 272207), (2756, 146573), (4823, 83756), (9646, 41878), (19292, 20939)]