55288268

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 118933920

約数和(自身を除く): 63645652

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 71, 98, 116, 137, 142, 196, 203, 274, 284, 406, 497, 548, 812, 959, 994, 1421, 1918, 1988, 2059, 2842, 3479, 3836, 3973, 4118, 5684, 6713, 6958, 7946, 8236, 9727, 13426, 13916, 14413, 15892, 19454, 26852, 27811, 28826, 38908, 55622, 57652, 68089, 100891, 111244, 136178, 194677, 201782, 272356, 282083, 389354, 403564, 476623, 564166, 778708, 953246, 1128332, 1906492, 1974581, 3949162, 7898324, 13822067, 27644134, 55288268]

約数ペア:

[(1, 55288268), (2, 27644134), (4, 13822067), (7, 7898324), (14, 3949162), (28, 1974581), (29, 1906492), (49, 1128332), (58, 953246), (71, 778708), (98, 564166), (116, 476623), (137, 403564), (142, 389354), (196, 282083), (203, 272356), (274, 201782), (284, 194677), (406, 136178), (497, 111244), (548, 100891), (812, 68089), (959, 57652), (994, 55622), (1421, 38908), (1918, 28826), (1988, 27811), (2059, 26852), (2842, 19454), (3479, 15892), (3836, 14413), (3973, 13916), (4118, 13426), (5684, 9727), (6713, 8236), (6958, 7946)]