25971886096

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1\times {\mathrm{769}}^1$

素因数の和:1596

約数の個数: 80

約数和(自身を含む): 54531492400

約数和(自身を除く): 28559606304

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 397, 409, 769, 794, 818, 1538, 1588, 1636, 3076, 3176, 3272, 5161, 5317, 6152, 6352, 6544, 9997, 10322, 10634, 12304, 19994, 20644, 21268, 39988, 41288, 42536, 79976, 82576, 85072, 159952, 162373, 305293, 314521, 324746, 610586, 629042, 649492, 1221172, 1258084, 1298984, 2110849, 2442344, 2516168, 2597968, 3968809, 4088773, 4221698, 4884688, 5032336, 7937618, 8177546, 8443396, 15875236, 16355092, 16886792, 31750472, 32710184, 33773584, 63500944, 65420368, 124864837, 249729674, 499459348, 998918696, 1623242881, 1997837392, 3246485762, 6492971524, 12985943048, 25971886096]

約数ペア:

[(1, 25971886096), (2, 12985943048), (4, 6492971524), (8, 3246485762), (13, 1997837392), (16, 1623242881), (26, 998918696), (52, 499459348), (104, 249729674), (208, 124864837), (397, 65420368), (409, 63500944), (769, 33773584), (794, 32710184), (818, 31750472), (1538, 16886792), (1588, 16355092), (1636, 15875236), (3076, 8443396), (3176, 8177546), (3272, 7937618), (5161, 5032336), (5317, 4884688), (6152, 4221698), (6352, 4088773), (6544, 3968809), (9997, 2597968), (10322, 2516168), (10634, 2442344), (12304, 2110849), (19994, 1298984), (20644, 1258084), (21268, 1221172), (39988, 649492), (41288, 629042), (42536, 610586), (79976, 324746), (82576, 314521), (85072, 305293), (159952, 162373)]