28149715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7639}}^1$

素因数の和:7722

約数の個数: 16

約数和(自身を含む): 37405440

約数和(自身を除く): 9255725

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 7639, 38195, 84029, 420145, 511813, 2559065, 5629943, 28149715]

約数ペア:

[(1, 28149715), (5, 5629943), (11, 2559065), (55, 511813), (67, 420145), (335, 84029), (737, 38195), (3685, 7639)]