81393948

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{6263}}^1$

素因数の和:6311

約数の個数: 54

約数和(自身を含む): 217179144

約数和(自身を除く): 135785196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6263, 6498, 12526, 12996, 18789, 25052, 37578, 56367, 75156, 112734, 118997, 225468, 237994, 356991, 475988, 713982, 1070973, 1427964, 2141946, 2260943, 4283892, 4521886, 6782829, 9043772, 13565658, 20348487, 27131316, 40696974, 81393948]

約数ペア:

[(1, 81393948), (2, 40696974), (3, 27131316), (4, 20348487), (6, 13565658), (9, 9043772), (12, 6782829), (18, 4521886), (19, 4283892), (36, 2260943), (38, 2141946), (57, 1427964), (76, 1070973), (114, 713982), (171, 475988), (228, 356991), (342, 237994), (361, 225468), (684, 118997), (722, 112734), (1083, 75156), (1444, 56367), (2166, 37578), (3249, 25052), (4332, 18789), (6263, 12996), (6498, 12526)]