1279885970425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{3307}}^1\times {\mathrm{910643}}^1$

素因数の和:913977

約数の個数: 24

約数和(自身を含む): 1680924976416

約数和(自身を除く): 401039005991

約数列:

[1, 5, 17, 25, 85, 425, 3307, 16535, 56219, 82675, 281095, 910643, 1405475, 4553215, 15480931, 22766075, 77404655, 387023275, 3011496401, 15057482005, 51195438817, 75287410025, 255977194085, 1279885970425]

約数ペア:

[(1, 1279885970425), (5, 255977194085), (17, 75287410025), (25, 51195438817), (85, 15057482005), (425, 3011496401), (3307, 387023275), (16535, 77404655), (56219, 22766075), (82675, 15480931), (281095, 4553215), (910643, 1405475)]