30915388

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15551}}^1$

素因数の和:15633

約数の個数: 24

約数和(自身を含む): 62705664

約数和(自身を除く): 31790276

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 15551, 31102, 62204, 108857, 217714, 435428, 1104121, 2208242, 4416484, 7728847, 15457694, 30915388]

約数ペア:

[(1, 30915388), (2, 15457694), (4, 7728847), (7, 4416484), (14, 2208242), (28, 1104121), (71, 435428), (142, 217714), (284, 108857), (497, 62204), (994, 31102), (1988, 15551)]