257538672

素因数分解:

$2^4\times 3^2\times {\mathrm{257}}^1\times {\mathrm{6959}}^1$

素因数の和:7230

約数の個数: 60

約数和(自身を含む): 723659040

約数和(自身を除く): 466120368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4112, 4626, 6168, 6959, 9252, 12336, 13918, 18504, 20877, 27836, 37008, 41754, 55672, 62631, 83508, 111344, 125262, 167016, 250524, 334032, 501048, 1002096, 1788463, 3576926, 5365389, 7153852, 10730778, 14307704, 16096167, 21461556, 28615408, 32192334, 42923112, 64384668, 85846224, 128769336, 257538672]

約数ペア:

[(1, 257538672), (2, 128769336), (3, 85846224), (4, 64384668), (6, 42923112), (8, 32192334), (9, 28615408), (12, 21461556), (16, 16096167), (18, 14307704), (24, 10730778), (36, 7153852), (48, 5365389), (72, 3576926), (144, 1788463), (257, 1002096), (514, 501048), (771, 334032), (1028, 250524), (1542, 167016), (2056, 125262), (2313, 111344), (3084, 83508), (4112, 62631), (4626, 55672), (6168, 41754), (6959, 37008), (9252, 27836), (12336, 20877), (13918, 18504)]