20161225336

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{29027}}^1$

素因数の和:29276

約数の個数: 64

約数和(自身を含む): 44029670400

約数和(自身を除く): 23868445064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 157, 158, 314, 316, 553, 628, 632, 1099, 1106, 1256, 2198, 2212, 4396, 4424, 8792, 12403, 24806, 29027, 49612, 58054, 86821, 99224, 116108, 173642, 203189, 232216, 347284, 406378, 694568, 812756, 1625512, 2293133, 4557239, 4586266, 9114478, 9172532, 16051931, 18228956, 18345064, 31900673, 32103862, 36457912, 63801346, 64207724, 127602692, 128415448, 255205384, 360021881, 720043762, 1440087524, 2520153167, 2880175048, 5040306334, 10080612668, 20161225336]

約数ペア:

[(1, 20161225336), (2, 10080612668), (4, 5040306334), (7, 2880175048), (8, 2520153167), (14, 1440087524), (28, 720043762), (56, 360021881), (79, 255205384), (157, 128415448), (158, 127602692), (314, 64207724), (316, 63801346), (553, 36457912), (628, 32103862), (632, 31900673), (1099, 18345064), (1106, 18228956), (1256, 16051931), (2198, 9172532), (2212, 9114478), (4396, 4586266), (4424, 4557239), (8792, 2293133), (12403, 1625512), (24806, 812756), (29027, 694568), (49612, 406378), (58054, 347284), (86821, 232216), (99224, 203189), (116108, 173642)]