193984895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 260977920

約数和(自身を除く): 66993025

約数列:

[1, 5, 13, 37, 65, 79, 185, 395, 481, 1021, 1027, 2405, 2923, 5105, 5135, 13273, 14615, 37777, 37999, 66365, 80659, 188885, 189995, 403295, 491101, 1048567, 2455505, 2984383, 5242835, 14921915, 38796979, 193984895]

約数ペア:

[(1, 193984895), (5, 38796979), (13, 14921915), (37, 5242835), (65, 2984383), (79, 2455505), (185, 1048567), (395, 491101), (481, 403295), (1021, 189995), (1027, 188885), (2405, 80659), (2923, 66365), (5105, 37999), (5135, 37777), (13273, 14615)]