251012346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{60719}}^1$

素因数の和:60790

約数の個数: 32

約数和(自身を含む): 550851840

約数和(自身を除く): 299839494

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 60719, 121438, 182157, 364314, 789347, 1578694, 2368041, 3218107, 4736082, 6436214, 9654321, 19308642, 41835391, 83670782, 125506173, 251012346]

約数ペア:

[(1, 251012346), (2, 125506173), (3, 83670782), (6, 41835391), (13, 19308642), (26, 9654321), (39, 6436214), (53, 4736082), (78, 3218107), (106, 2368041), (159, 1578694), (318, 789347), (689, 364314), (1378, 182157), (2067, 121438), (4134, 60719)]