28912690

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{11519}}^1$

素因数の和:11777

約数の個数: 16

約数和(自身を含む): 52254720

約数和(自身を除く): 23342030

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 11519, 23038, 57595, 115190, 2891269, 5782538, 14456345, 28912690]

約数ペア:

[(1, 28912690), (2, 14456345), (5, 5782538), (10, 2891269), (251, 115190), (502, 57595), (1255, 23038), (2510, 11519)]