61981438

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 99283968

約数和(自身を除く): 37302530

約数列:

[1, 2, 37, 47, 71, 74, 94, 142, 251, 502, 1739, 2627, 3337, 3478, 5254, 6674, 9287, 11797, 17821, 18574, 23594, 35642, 123469, 246938, 436489, 659377, 837587, 872978, 1318754, 1675174, 30990719, 61981438]

約数ペア:

[(1, 61981438), (2, 30990719), (37, 1675174), (47, 1318754), (71, 872978), (74, 837587), (94, 659377), (142, 436489), (251, 246938), (502, 123469), (1739, 35642), (2627, 23594), (3337, 18574), (3478, 17821), (5254, 11797), (6674, 9287)]