81938454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15679}}^1$

素因数の和:15764

約数の個数: 32

約数和(自身を含む): 179128320

約数和(自身を除く): 97189866

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 15679, 31358, 47037, 94074, 203827, 407654, 611481, 1050493, 1222962, 2100986, 3151479, 6302958, 13656409, 27312818, 40969227, 81938454]

約数ペア:

[(1, 81938454), (2, 40969227), (3, 27312818), (6, 13656409), (13, 6302958), (26, 3151479), (39, 2100986), (67, 1222962), (78, 1050493), (134, 611481), (201, 407654), (402, 203827), (871, 94074), (1742, 47037), (2613, 31358), (5226, 15679)]