218949325

素因数分解:

$5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9001}}^1$

素因数の和:9157

約数の個数: 24

約数和(自身を含む): 312549440

約数和(自身を除く): 93600115

約数列:

[1, 5, 7, 25, 35, 139, 175, 695, 973, 3475, 4865, 9001, 24325, 45005, 63007, 225025, 315035, 1251139, 1575175, 6255695, 8757973, 31278475, 43789865, 218949325]

約数ペア:

[(1, 218949325), (5, 43789865), (7, 31278475), (25, 8757973), (35, 6255695), (139, 1575175), (175, 1251139), (695, 315035), (973, 225025), (3475, 63007), (4865, 45005), (9001, 24325)]