218506014740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{1398349}}^1$

素因数の和:1398972

約数の個数: 48

約数和(自身を含む): 494982339600

約数和(自身を除く): 276476324860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 601, 1202, 2404, 3005, 6010, 7813, 12020, 15626, 31252, 39065, 78130, 156260, 1398349, 2796698, 5593396, 6991745, 13983490, 18178537, 27966980, 36357074, 72714148, 90892685, 181785370, 363570740, 840407749, 1680815498, 3361630996, 4202038745, 8404077490, 10925300737, 16808154980, 21850601474, 43701202948, 54626503685, 109253007370, 218506014740]

約数ペア:

[(1, 218506014740), (2, 109253007370), (4, 54626503685), (5, 43701202948), (10, 21850601474), (13, 16808154980), (20, 10925300737), (26, 8404077490), (52, 4202038745), (65, 3361630996), (130, 1680815498), (260, 840407749), (601, 363570740), (1202, 181785370), (2404, 90892685), (3005, 72714148), (6010, 36357074), (7813, 27966980), (12020, 18178537), (15626, 13983490), (31252, 6991745), (39065, 5593396), (78130, 2796698), (156260, 1398349)]