678487979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{12289}}^1$

素因数の和:12470

約数の個数: 16

約数和(自身を含む): 759816960

約数和(自身を除く): 81328981

約数列:

[1, 13, 31, 137, 403, 1781, 4247, 12289, 55211, 159757, 380959, 1683593, 4952467, 21886709, 52191383, 678487979]

約数ペア:

[(1, 678487979), (13, 52191383), (31, 21886709), (137, 4952467), (403, 1683593), (1781, 380959), (4247, 159757), (12289, 55211)]