261211890688

素因数分解:

$2^{10}\times 7^2\times {\mathrm{5205913}}^1$

素因数の和:5205947

約数の個数: 66

約数和(自身を含む): 607420839606

約数和(自身を除く): 346208948918

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 3136, 3584, 6272, 7168, 12544, 25088, 50176, 5205913, 10411826, 20823652, 36441391, 41647304, 72882782, 83294608, 145765564, 166589216, 255089737, 291531128, 333178432, 510179474, 583062256, 666356864, 1020358948, 1166124512, 1332713728, 2040717896, 2332249024, 2665427456, 4081435792, 4664498048, 5330854912, 8162871584, 9328996096, 16325743168, 18657992192, 32651486336, 37315984384, 65302972672, 130605945344, 261211890688]

約数ペア:

[(1, 261211890688), (2, 130605945344), (4, 65302972672), (7, 37315984384), (8, 32651486336), (14, 18657992192), (16, 16325743168), (28, 9328996096), (32, 8162871584), (49, 5330854912), (56, 4664498048), (64, 4081435792), (98, 2665427456), (112, 2332249024), (128, 2040717896), (196, 1332713728), (224, 1166124512), (256, 1020358948), (392, 666356864), (448, 583062256), (512, 510179474), (784, 333178432), (896, 291531128), (1024, 255089737), (1568, 166589216), (1792, 145765564), (3136, 83294608), (3584, 72882782), (6272, 41647304), (7168, 36441391), (12544, 20823652), (25088, 10411826), (50176, 5205913)]