261564464

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1721}}^1$

素因数の和:1818

約数の個数: 80

約数和(自身を含む): 614960640

約数和(自身を除く): 353396176

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 59, 92, 112, 118, 161, 184, 236, 322, 368, 413, 472, 644, 826, 944, 1288, 1357, 1652, 1721, 2576, 2714, 3304, 3442, 5428, 6608, 6884, 9499, 10856, 12047, 13768, 18998, 21712, 24094, 27536, 37996, 39583, 48188, 75992, 79166, 96376, 101539, 151984, 158332, 192752, 203078, 277081, 316664, 406156, 554162, 633328, 710773, 812312, 1108324, 1421546, 1624624, 2216648, 2335397, 2843092, 4433296, 4670794, 5686184, 9341588, 11372368, 16347779, 18683176, 32695558, 37366352, 65391116, 130782232, 261564464]

約数ペア:

[(1, 261564464), (2, 130782232), (4, 65391116), (7, 37366352), (8, 32695558), (14, 18683176), (16, 16347779), (23, 11372368), (28, 9341588), (46, 5686184), (56, 4670794), (59, 4433296), (92, 2843092), (112, 2335397), (118, 2216648), (161, 1624624), (184, 1421546), (236, 1108324), (322, 812312), (368, 710773), (413, 633328), (472, 554162), (644, 406156), (826, 316664), (944, 277081), (1288, 203078), (1357, 192752), (1652, 158332), (1721, 151984), (2576, 101539), (2714, 96376), (3304, 79166), (3442, 75992), (5428, 48188), (6608, 39583), (6884, 37996), (9499, 27536), (10856, 24094), (12047, 21712), (13768, 18998)]