28694225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7129}}^1$

素因数の和:7169

約数の個数: 24

約数和(自身を含む): 42437760

約数和(自身を除く): 13743535

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 7129, 35645, 49903, 163967, 178225, 249515, 819835, 1147769, 1247575, 4099175, 5738845, 28694225]

約数ペア:

[(1, 28694225), (5, 5738845), (7, 4099175), (23, 1247575), (25, 1147769), (35, 819835), (115, 249515), (161, 178225), (175, 163967), (575, 49903), (805, 35645), (4025, 7129)]