28783937

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4721}}^1$

素因数の和:4808

約数の個数: 16

約数和(自身を含む): 35962752

約数和(自身を除く): 7178815

約数列:

[1, 7, 13, 67, 91, 469, 871, 4721, 6097, 33047, 61373, 316307, 429611, 2214149, 4111991, 28783937]

約数ペア:

[(1, 28783937), (7, 4111991), (13, 2214149), (67, 429611), (91, 316307), (469, 61373), (871, 33047), (4721, 6097)]