531459136

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1609}}^1$

素因数の和:2031

約数の個数: 56

約数和(自身を含む): 1139306840

約数和(自身を除く): 607847704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 397, 416, 794, 832, 1588, 1609, 3176, 3218, 5161, 6352, 6436, 10322, 12704, 12872, 20644, 20917, 25408, 25744, 41288, 41834, 51488, 82576, 83668, 102976, 165152, 167336, 330304, 334672, 638773, 669344, 1277546, 1338688, 2555092, 5110184, 8304049, 10220368, 16608098, 20440736, 33216196, 40881472, 66432392, 132864784, 265729568, 531459136]

約数ペア:

[(1, 531459136), (2, 265729568), (4, 132864784), (8, 66432392), (13, 40881472), (16, 33216196), (26, 20440736), (32, 16608098), (52, 10220368), (64, 8304049), (104, 5110184), (208, 2555092), (397, 1338688), (416, 1277546), (794, 669344), (832, 638773), (1588, 334672), (1609, 330304), (3176, 167336), (3218, 165152), (5161, 102976), (6352, 83668), (6436, 82576), (10322, 51488), (12704, 41834), (12872, 41288), (20644, 25744), (20917, 25408)]