28855225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 43711488

約数和(自身を除く): 14856263

約数列:

[1, 5, 7, 23, 25, 35, 67, 107, 115, 161, 175, 335, 469, 535, 575, 749, 805, 1541, 1675, 2345, 2461, 2675, 3745, 4025, 7169, 7705, 10787, 11725, 12305, 17227, 18725, 35845, 38525, 50183, 53935, 61525, 86135, 164887, 179225, 250915, 269675, 430675, 824435, 1154209, 1254575, 4122175, 5771045, 28855225]

約数ペア:

[(1, 28855225), (5, 5771045), (7, 4122175), (23, 1254575), (25, 1154209), (35, 824435), (67, 430675), (107, 269675), (115, 250915), (161, 179225), (175, 164887), (335, 86135), (469, 61525), (535, 53935), (575, 50183), (749, 38525), (805, 35845), (1541, 18725), (1675, 17227), (2345, 12305), (2461, 11725), (2675, 10787), (3745, 7705), (4025, 7169)]