261910128

素因数分解:

$2^4\times 3^1\times {\mathrm{263}}^1\times {\mathrm{20747}}^1$

素因数の和:21021

約数の個数: 40

約数和(自身を含む): 679206528

約数和(自身を除く): 417296400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 263, 526, 789, 1052, 1578, 2104, 3156, 4208, 6312, 12624, 20747, 41494, 62241, 82988, 124482, 165976, 248964, 331952, 497928, 995856, 5456461, 10912922, 16369383, 21825844, 32738766, 43651688, 65477532, 87303376, 130955064, 261910128]

約数ペア:

[(1, 261910128), (2, 130955064), (3, 87303376), (4, 65477532), (6, 43651688), (8, 32738766), (12, 21825844), (16, 16369383), (24, 10912922), (48, 5456461), (263, 995856), (526, 497928), (789, 331952), (1052, 248964), (1578, 165976), (2104, 124482), (3156, 82988), (4208, 62241), (6312, 41494), (12624, 20747)]