218214438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{6491}}^1$

素因数の和:6940

約数の個数: 32

約数和(自身を含む): 471163392

約数和(自身を除く): 252948954

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 431, 862, 1293, 2586, 5603, 6491, 11206, 12982, 16809, 19473, 33618, 38946, 84383, 168766, 253149, 506298, 2797621, 5595242, 8392863, 16785726, 36369073, 72738146, 109107219, 218214438]

約数ペア:

[(1, 218214438), (2, 109107219), (3, 72738146), (6, 36369073), (13, 16785726), (26, 8392863), (39, 5595242), (78, 2797621), (431, 506298), (862, 253149), (1293, 168766), (2586, 84383), (5603, 38946), (6491, 33618), (11206, 19473), (12982, 16809)]