28160075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 37283328

約数和(自身を除く): 9123253

約数列:

[1, 5, 17, 25, 85, 173, 383, 425, 865, 1915, 2941, 4325, 6511, 9575, 14705, 32555, 66259, 73525, 162775, 331295, 1126403, 1656475, 5632015, 28160075]

約数ペア:

[(1, 28160075), (5, 5632015), (17, 1656475), (25, 1126403), (85, 331295), (173, 162775), (383, 73525), (425, 66259), (865, 32555), (1915, 14705), (2941, 9575), (4325, 6511)]