1285386490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{184417}}^1$

素因数の和:184482

約数の個数: 32

約数和(自身を含む): 2509560144

約数和(自身を除く): 1224173654

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 184417, 368834, 922085, 1844170, 3135089, 6270178, 7561097, 15122194, 15675445, 31350890, 37805485, 75610970, 128538649, 257077298, 642693245, 1285386490]

約数ペア:

[(1, 1285386490), (2, 642693245), (5, 257077298), (10, 128538649), (17, 75610970), (34, 37805485), (41, 31350890), (82, 15675445), (85, 15122194), (170, 7561097), (205, 6270178), (410, 3135089), (697, 1844170), (1394, 922085), (3485, 368834), (6970, 184417)]