1305907356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{19979}}^1$

素因数の和:20418

約数の個数: 48

約数和(自身を含む): 3289507200

約数和(自身を除く): 1983599844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 419, 838, 1257, 1676, 2514, 5028, 5447, 10894, 16341, 19979, 21788, 32682, 39958, 59937, 65364, 79916, 119874, 239748, 259727, 519454, 779181, 1038908, 1558362, 3116724, 8371201, 16742402, 25113603, 33484804, 50227206, 100454412, 108825613, 217651226, 326476839, 435302452, 652953678, 1305907356]

約数ペア:

[(1, 1305907356), (2, 652953678), (3, 435302452), (4, 326476839), (6, 217651226), (12, 108825613), (13, 100454412), (26, 50227206), (39, 33484804), (52, 25113603), (78, 16742402), (156, 8371201), (419, 3116724), (838, 1558362), (1257, 1038908), (1676, 779181), (2514, 519454), (5028, 259727), (5447, 239748), (10894, 119874), (16341, 79916), (19979, 65364), (21788, 59937), (32682, 39958)]