66438460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{301993}}^1$

素因数の和:302013

約数の個数: 24

約数和(自身を含む): 152204976

約数和(自身を除く): 85766516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 301993, 603986, 1207972, 1509965, 3019930, 3321923, 6039860, 6643846, 13287692, 16609615, 33219230, 66438460]

約数ペア:

[(1, 66438460), (2, 33219230), (4, 16609615), (5, 13287692), (10, 6643846), (11, 6039860), (20, 3321923), (22, 3019930), (44, 1509965), (55, 1207972), (110, 603986), (220, 301993)]