257398884

素因数分解:

$2^2\times 3^4\times {\mathrm{47}}^1\times {\mathrm{16903}}^1$

素因数の和:16966

約数の個数: 60

約数和(自身を含む): 687249024

約数和(自身を除く): 429850140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 81, 94, 108, 141, 162, 188, 282, 324, 423, 564, 846, 1269, 1692, 2538, 3807, 5076, 7614, 15228, 16903, 33806, 50709, 67612, 101418, 152127, 202836, 304254, 456381, 608508, 794441, 912762, 1369143, 1588882, 1825524, 2383323, 2738286, 3177764, 4766646, 5476572, 7149969, 9533292, 14299938, 21449907, 28599876, 42899814, 64349721, 85799628, 128699442, 257398884]

約数ペア:

[(1, 257398884), (2, 128699442), (3, 85799628), (4, 64349721), (6, 42899814), (9, 28599876), (12, 21449907), (18, 14299938), (27, 9533292), (36, 7149969), (47, 5476572), (54, 4766646), (81, 3177764), (94, 2738286), (108, 2383323), (141, 1825524), (162, 1588882), (188, 1369143), (282, 912762), (324, 794441), (423, 608508), (564, 456381), (846, 304254), (1269, 202836), (1692, 152127), (2538, 101418), (3807, 67612), (5076, 50709), (7614, 33806), (15228, 16903)]