855758410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12491}}^1$

素因数の和:12559

約数の個数: 64

約数和(自身を含む): 1813238784

約数和(自身を除く): 957480374

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 310, 403, 442, 527, 806, 1054, 1105, 2015, 2210, 2635, 4030, 5270, 6851, 12491, 13702, 24982, 34255, 62455, 68510, 124910, 162383, 212347, 324766, 387221, 424694, 774442, 811915, 1061735, 1623830, 1936105, 2123470, 2760511, 3872210, 5033873, 5521022, 6582757, 10067746, 13165514, 13802555, 25169365, 27605110, 32913785, 50338730, 65827570, 85575841, 171151682, 427879205, 855758410]

約数ペア:

[(1, 855758410), (2, 427879205), (5, 171151682), (10, 85575841), (13, 65827570), (17, 50338730), (26, 32913785), (31, 27605110), (34, 25169365), (62, 13802555), (65, 13165514), (85, 10067746), (130, 6582757), (155, 5521022), (170, 5033873), (221, 3872210), (310, 2760511), (403, 2123470), (442, 1936105), (527, 1623830), (806, 1061735), (1054, 811915), (1105, 774442), (2015, 424694), (2210, 387221), (2635, 324766), (4030, 212347), (5270, 162383), (6851, 124910), (12491, 68510), (13702, 62455), (24982, 34255)]