28821404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4261}}^1$

素因数の和:4373

約数の個数: 24

約数和(自身を含む): 53701200

約数和(自身を除く): 24879796

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 4261, 6764, 8522, 17044, 80959, 161918, 323836, 379229, 758458, 1516916, 7205351, 14410702, 28821404]

約数ペア:

[(1, 28821404), (2, 14410702), (4, 7205351), (19, 1516916), (38, 758458), (76, 379229), (89, 323836), (178, 161918), (356, 80959), (1691, 17044), (3382, 8522), (4261, 6764)]