26178256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 55107584

約数和(自身を除く): 28929328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 991, 1016, 1651, 1982, 2032, 3302, 3964, 6604, 7928, 12883, 13208, 15856, 25766, 26416, 51532, 103064, 125857, 206128, 251714, 503428, 1006856, 1636141, 2013712, 3272282, 6544564, 13089128, 26178256]

約数ペア:

[(1, 26178256), (2, 13089128), (4, 6544564), (8, 3272282), (13, 2013712), (16, 1636141), (26, 1006856), (52, 503428), (104, 251714), (127, 206128), (208, 125857), (254, 103064), (508, 51532), (991, 26416), (1016, 25766), (1651, 15856), (1982, 13208), (2032, 12883), (3302, 7928), (3964, 6604)]