256844358

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2377}}^1$

素因数の和:2443

約数の個数: 80

約数和(自身を含む): 621514080

約数和(自身を除く): 364669722

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 46, 54, 58, 69, 81, 87, 138, 162, 174, 207, 261, 414, 522, 621, 667, 783, 1242, 1334, 1566, 1863, 2001, 2349, 2377, 3726, 4002, 4698, 4754, 6003, 7131, 12006, 14262, 18009, 21393, 36018, 42786, 54027, 54671, 64179, 68933, 108054, 109342, 128358, 137866, 164013, 192537, 206799, 328026, 385074, 413598, 492039, 620397, 984078, 1240794, 1476117, 1585459, 1861191, 2952234, 3170918, 3722382, 4428351, 4756377, 5583573, 8856702, 9512754, 11167146, 14269131, 28538262, 42807393, 85614786, 128422179, 256844358]

約数ペア:

[(1, 256844358), (2, 128422179), (3, 85614786), (6, 42807393), (9, 28538262), (18, 14269131), (23, 11167146), (27, 9512754), (29, 8856702), (46, 5583573), (54, 4756377), (58, 4428351), (69, 3722382), (81, 3170918), (87, 2952234), (138, 1861191), (162, 1585459), (174, 1476117), (207, 1240794), (261, 984078), (414, 620397), (522, 492039), (621, 413598), (667, 385074), (783, 328026), (1242, 206799), (1334, 192537), (1566, 164013), (1863, 137866), (2001, 128358), (2349, 109342), (2377, 108054), (3726, 68933), (4002, 64179), (4698, 54671), (4754, 54027), (6003, 42786), (7131, 36018), (12006, 21393), (14262, 18009)]