647705044

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{13121}}^1$

素因数の和:13216

約数の個数: 48

約数和(自身を含む): 1357969536

約数和(自身を除く): 710264492

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 164, 172, 287, 301, 574, 602, 1148, 1204, 1763, 3526, 7052, 12341, 13121, 24682, 26242, 49364, 52484, 91847, 183694, 367388, 537961, 564203, 1075922, 1128406, 2151844, 2256812, 3765727, 3949421, 7531454, 7898842, 15062908, 15797684, 23132323, 46264646, 92529292, 161926261, 323852522, 647705044]

約数ペア:

[(1, 647705044), (2, 323852522), (4, 161926261), (7, 92529292), (14, 46264646), (28, 23132323), (41, 15797684), (43, 15062908), (82, 7898842), (86, 7531454), (164, 3949421), (172, 3765727), (287, 2256812), (301, 2151844), (574, 1128406), (602, 1075922), (1148, 564203), (1204, 537961), (1763, 367388), (3526, 183694), (7052, 91847), (12341, 52484), (13121, 49364), (24682, 26242)]