281261312

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 582392832

約数和(自身を除く): 301131520

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 127, 128, 164, 211, 254, 256, 328, 422, 508, 656, 844, 1016, 1312, 1688, 2032, 2624, 3376, 4064, 5207, 5248, 6752, 8128, 8651, 10414, 10496, 13504, 16256, 17302, 20828, 26797, 27008, 32512, 34604, 41656, 53594, 54016, 69208, 83312, 107188, 138416, 166624, 214376, 276832, 333248, 428752, 553664, 666496, 857504, 1098677, 1107328, 1332992, 1715008, 2197354, 2214656, 3430016, 4394708, 6860032, 8789416, 17578832, 35157664, 70315328, 140630656, 281261312]

約数ペア:

[(1, 281261312), (2, 140630656), (4, 70315328), (8, 35157664), (16, 17578832), (32, 8789416), (41, 6860032), (64, 4394708), (82, 3430016), (127, 2214656), (128, 2197354), (164, 1715008), (211, 1332992), (254, 1107328), (256, 1098677), (328, 857504), (422, 666496), (508, 553664), (656, 428752), (844, 333248), (1016, 276832), (1312, 214376), (1688, 166624), (2032, 138416), (2624, 107188), (3376, 83312), (4064, 69208), (5207, 54016), (5248, 53594), (6752, 41656), (8128, 34604), (8651, 32512), (10414, 27008), (10496, 26797), (13504, 20828), (16256, 17302)]