78875036

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 54

約数和(自身を含む): 153644904

約数和(自身を除く): 74769868

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 71, 124, 142, 284, 289, 527, 578, 961, 1054, 1156, 1207, 1922, 2108, 2201, 2414, 3844, 4402, 4828, 8804, 8959, 16337, 17918, 20519, 32674, 35836, 37417, 41038, 65348, 68231, 74834, 82076, 136462, 149668, 272924, 277729, 555458, 636089, 1110916, 1159927, 1272178, 2319854, 2544356, 4639708, 19718759, 39437518, 78875036]

約数ペア:

[(1, 78875036), (2, 39437518), (4, 19718759), (17, 4639708), (31, 2544356), (34, 2319854), (62, 1272178), (68, 1159927), (71, 1110916), (124, 636089), (142, 555458), (284, 277729), (289, 272924), (527, 149668), (578, 136462), (961, 82076), (1054, 74834), (1156, 68231), (1207, 65348), (1922, 41038), (2108, 37417), (2201, 35836), (2414, 32674), (3844, 20519), (4402, 17918), (4828, 16337), (8804, 8959)]