261008384

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2841

約数の個数: 88

約数和(自身を含む): 642397728

約数和(自身を除く): 381389344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1024, 1456, 1664, 1792, 2801, 2912, 3328, 3584, 5602, 5824, 6656, 7168, 11204, 11648, 13312, 19607, 22408, 23296, 36413, 39214, 44816, 46592, 72826, 78428, 89632, 93184, 145652, 156856, 179264, 254891, 291304, 313712, 358528, 509782, 582608, 627424, 717056, 1019564, 1165216, 1254848, 1434112, 2039128, 2330432, 2509696, 2868224, 4078256, 4660864, 5019392, 8156512, 9321728, 10038784, 16313024, 18643456, 20077568, 32626048, 37286912, 65252096, 130504192, 261008384]

約数ペア:

[(1, 261008384), (2, 130504192), (4, 65252096), (7, 37286912), (8, 32626048), (13, 20077568), (14, 18643456), (16, 16313024), (26, 10038784), (28, 9321728), (32, 8156512), (52, 5019392), (56, 4660864), (64, 4078256), (91, 2868224), (104, 2509696), (112, 2330432), (128, 2039128), (182, 1434112), (208, 1254848), (224, 1165216), (256, 1019564), (364, 717056), (416, 627424), (448, 582608), (512, 509782), (728, 358528), (832, 313712), (896, 291304), (1024, 254891), (1456, 179264), (1664, 156856), (1792, 145652), (2801, 93184), (2912, 89632), (3328, 78428), (3584, 72826), (5602, 46592), (5824, 44816), (6656, 39214), (7168, 36413), (11204, 23296), (11648, 22408), (13312, 19607)]