1213231812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109537}}^1$

素因数の和:109628

約数の個数: 48

約数和(自身を含む): 3091600512

約数和(自身を除く): 1878368700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2769, 3692, 5538, 11076, 109537, 219074, 328611, 438148, 657222, 1314444, 1423981, 2847962, 4271943, 5695924, 7777127, 8543886, 15554254, 17087772, 23331381, 31108508, 46662762, 93325524, 101102651, 202205302, 303307953, 404410604, 606615906, 1213231812]

約数ペア:

[(1, 1213231812), (2, 606615906), (3, 404410604), (4, 303307953), (6, 202205302), (12, 101102651), (13, 93325524), (26, 46662762), (39, 31108508), (52, 23331381), (71, 17087772), (78, 15554254), (142, 8543886), (156, 7777127), (213, 5695924), (284, 4271943), (426, 2847962), (852, 1423981), (923, 1314444), (1846, 657222), (2769, 438148), (3692, 328611), (5538, 219074), (11076, 109537)]