205572952

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 419523840

約数和(自身を除く): 213950888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 383, 397, 676, 766, 794, 1352, 1532, 1588, 3064, 3176, 4979, 5161, 9958, 10322, 19916, 20644, 39832, 41288, 64727, 67093, 129454, 134186, 152051, 258908, 268372, 304102, 517816, 536744, 608204, 1216408, 1976663, 3953326, 7906652, 15813304, 25696619, 51393238, 102786476, 205572952]

約数ペア:

[(1, 205572952), (2, 102786476), (4, 51393238), (8, 25696619), (13, 15813304), (26, 7906652), (52, 3953326), (104, 1976663), (169, 1216408), (338, 608204), (383, 536744), (397, 517816), (676, 304102), (766, 268372), (794, 258908), (1352, 152051), (1532, 134186), (1588, 129454), (3064, 67093), (3176, 64727), (4979, 41288), (5161, 39832), (9958, 20644), (10322, 19916)]