1267721285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 1603230720

約数和(自身を除く): 335509435

約数列:

[1, 5, 31, 73, 155, 181, 365, 619, 905, 2263, 3095, 5611, 11315, 13213, 19189, 28055, 45187, 66065, 95945, 112039, 225935, 409603, 560195, 1400797, 2048015, 3473209, 7003985, 8178847, 17366045, 40894235, 253544257, 1267721285]

約数ペア:

[(1, 1267721285), (5, 253544257), (31, 40894235), (73, 17366045), (155, 8178847), (181, 7003985), (365, 3473209), (619, 2048015), (905, 1400797), (2263, 560195), (3095, 409603), (5611, 225935), (11315, 112039), (13213, 95945), (19189, 66065), (28055, 45187)]