130139776

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 281330280

約数和(自身を除く): 151190504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 197, 208, 394, 397, 416, 788, 794, 832, 1576, 1588, 1664, 2561, 3152, 3176, 5122, 5161, 6304, 6352, 10244, 10322, 12608, 12704, 20488, 20644, 25216, 25408, 40976, 41288, 50816, 78209, 81952, 82576, 156418, 163904, 165152, 312836, 327808, 330304, 625672, 660608, 1016717, 1251344, 2033434, 2502688, 4066868, 5005376, 8133736, 10010752, 16267472, 32534944, 65069888, 130139776]

約数ペア:

[(1, 130139776), (2, 65069888), (4, 32534944), (8, 16267472), (13, 10010752), (16, 8133736), (26, 5005376), (32, 4066868), (52, 2502688), (64, 2033434), (104, 1251344), (128, 1016717), (197, 660608), (208, 625672), (394, 330304), (397, 327808), (416, 312836), (788, 165152), (794, 163904), (832, 156418), (1576, 82576), (1588, 81952), (1664, 78209), (2561, 50816), (3152, 41288), (3176, 40976), (5122, 25408), (5161, 25216), (6304, 20644), (6352, 20488), (10244, 12704), (10322, 12608)]