256355388

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{64153}}^1$

素因数の和:64203

約数の個数: 48

約数和(自身を含む): 682598560

約数和(自身を除く): 426243172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 64153, 128306, 192459, 256612, 384918, 577377, 769836, 1154754, 1732131, 2309508, 2373661, 3464262, 4747322, 6928524, 7120983, 9494644, 14241966, 21362949, 28483932, 42725898, 64088847, 85451796, 128177694, 256355388]

約数ペア:

[(1, 256355388), (2, 128177694), (3, 85451796), (4, 64088847), (6, 42725898), (9, 28483932), (12, 21362949), (18, 14241966), (27, 9494644), (36, 7120983), (37, 6928524), (54, 4747322), (74, 3464262), (108, 2373661), (111, 2309508), (148, 1732131), (222, 1154754), (333, 769836), (444, 577377), (666, 384918), (999, 256612), (1332, 192459), (1998, 128306), (3996, 64153)]