30487184

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20967

約数の個数: 40

約数和(自身を含む): 72703680

約数和(自身を除く): 42216496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 20939, 41878, 83756, 146573, 167512, 272207, 293146, 335024, 544414, 586292, 1088828, 1172584, 1905449, 2177656, 2345168, 3810898, 4355312, 7621796, 15243592, 30487184]

約数ペア:

[(1, 30487184), (2, 15243592), (4, 7621796), (7, 4355312), (8, 3810898), (13, 2345168), (14, 2177656), (16, 1905449), (26, 1172584), (28, 1088828), (52, 586292), (56, 544414), (91, 335024), (104, 293146), (112, 272207), (182, 167512), (208, 146573), (364, 83756), (728, 41878), (1456, 20939)]