257130724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{50497}}^1$

素因数の和:50587

約数の個数: 24

約数和(自身を含む): 480740960

約数和(自身を除く): 223610236

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 5092, 50497, 100994, 201988, 959443, 1918886, 3383299, 3837772, 6766598, 13533196, 64282681, 128565362, 257130724]

約数ペア:

[(1, 257130724), (2, 128565362), (4, 64282681), (19, 13533196), (38, 6766598), (67, 3837772), (76, 3383299), (134, 1918886), (268, 959443), (1273, 201988), (2546, 100994), (5092, 50497)]