678742376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{11717}}^1$

素因数の和:12293

約数の個数: 32

約数和(自身を含む): 1373115240

約数和(自身を除く): 694372864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 557, 1114, 2228, 4456, 7241, 11717, 14482, 23434, 28964, 46868, 57928, 93736, 152321, 304642, 609284, 1218568, 6526369, 13052738, 26105476, 52210952, 84842797, 169685594, 339371188, 678742376]

約数ペア:

[(1, 678742376), (2, 339371188), (4, 169685594), (8, 84842797), (13, 52210952), (26, 26105476), (52, 13052738), (104, 6526369), (557, 1218568), (1114, 609284), (2228, 304642), (4456, 152321), (7241, 93736), (11717, 57928), (14482, 46868), (23434, 28964)]