4087408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 8745968

約数和(自身を除く): 4658560

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 457, 559, 688, 914, 1118, 1828, 2236, 3656, 4472, 5941, 7312, 8944, 11882, 19651, 23764, 39302, 47528, 78604, 95056, 157208, 255463, 314416, 510926, 1021852, 2043704, 4087408]

約数ペア:

[(1, 4087408), (2, 2043704), (4, 1021852), (8, 510926), (13, 314416), (16, 255463), (26, 157208), (43, 95056), (52, 78604), (86, 47528), (104, 39302), (172, 23764), (208, 19651), (344, 11882), (457, 8944), (559, 7312), (688, 5941), (914, 4472), (1118, 3656), (1828, 2236)]